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54244520 = 235111131091
BaseRepresentation
bin1100111011101…
…1010010101000
310210001220111022
43032323102220
5102341311040
65214352012
71226033201
oct316732250
9123056438
1054244520
112868a790
12161bb608
13b313365
1472c05a8
154b676b5
hex33bb4a8

54244520 has 64 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 19532800.

The previous prime is 54244507. The next prime is 54244523. The reversal of 54244520 is 2544245.

It is a self number, because there is not a number n which added to its sum of digits gives 54244520.

It is not an unprimeable number, because it can be changed into a prime (54244523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49175 + ... + 50265.

It is an arithmetic number, because the mean of its divisors is an integer number (2100735).

Almost surely, 254244520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54244520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67223520).

54244520 is an abundant number, since it is smaller than the sum of its proper divisors (80202520).

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

54244520 is a wasteful number, since it uses less digits than its factorization.

54244520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 54244520 is about 7365.0879152933. The cubic root of 54244520 is about 378.5459669258.

Adding to 54244520 its reverse (2544245), we get a palindrome (56788765).

The spelling of 54244520 in words is "fifty-four million, two hundred forty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 113 220 226 440 452 565 904 1091 1130 1243 2182 2260 2486 4364 4520 4972 5455 6215 8728 9944 10910 12001 12430 21820 24002 24860 43640 48004 49720 60005 96008 120010 123283 240020 246566 480040 493132 616415 986264 1232830 1356113 2465660 2712226 4931320 5424452 6780565 10848904 13561130 27122260 54244520