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54995500 = 2253719827
BaseRepresentation
bin1101000111001…
…0101000101100
310211111001122101
43101302220230
5103034324000
65242424444
71235311510
oct321625054
9124431571
1054995500
1129052a2a
1216502124
13b517121
147438140
154c64e6a
hex3472a2c

54995500 has 96 divisors (see below), whose sum is σ = 144668160. Its totient is φ = 17841600.

The previous prime is 54995497. The next prime is 54995509. The reversal of 54995500 is 559945.

It is a self number, because there is not a number n which added to its sum of digits gives 54995500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54995509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66087 + ... + 66913.

It is an arithmetic number, because the mean of its divisors is an integer number (1506960).

Almost surely, 254995500 is an apocalyptic number.

54995500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54995500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72334080).

54995500 is an abundant number, since it is smaller than the sum of its proper divisors (89672660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54995500 is a wasteful number, since it uses less digits than its factorization.

54995500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 54995500 is about 7415.8950909516. The cubic root of 54995500 is about 380.2848741047.

The spelling of 54995500 in words is "fifty-four million, nine hundred ninety-five thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 19 20 25 28 35 38 50 70 76 95 100 125 133 140 175 190 250 266 350 380 475 500 532 665 700 827 875 950 1330 1654 1750 1900 2375 2660 3308 3325 3500 4135 4750 5789 6650 8270 9500 11578 13300 15713 16540 16625 20675 23156 28945 31426 33250 41350 57890 62852 66500 78565 82700 103375 109991 115780 144725 157130 206750 219982 289450 314260 392825 413500 439964 549955 578900 723625 785650 1099910 1447250 1571300 1964125 2199820 2749775 2894500 3928250 5499550 7856500 10999100 13748875 27497750 54995500