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54445500 = 22335337109
BaseRepresentation
bin1100111110110…
…0010110111100
310210110010012000
43033230112330
5102414224000
65222542300
71230531144
oct317542674
9123403160
1054445500
112880778a
1216297990
13b383995
147333924
154ba7000
hex33ec5bc

54445500 has 192 divisors, whose sum is σ = 182582400. Its totient is φ = 13996800.

The previous prime is 54445487. The next prime is 54445511. The reversal of 54445500 is 554445.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 499446 + ... + 499554.

It is an arithmetic number, because the mean of its divisors is an integer number (950950).

Almost surely, 254445500 is an apocalyptic number.

54445500 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 54445500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91291200).

54445500 is an abundant number, since it is smaller than the sum of its proper divisors (128136900).

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

54445500 is a wasteful number, since it uses less digits than its factorization.

54445500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 54445500 is about 7378.7194010885. The cubic root of 54445500 is about 379.0129044183.

Adding to 54445500 its reverse (554445), we get a palindrome (54999945).

It can be divided in two parts, 54445 and 500, that added together give a palindrome (54945).

The spelling of 54445500 in words is "fifty-four million, four hundred forty-five thousand, five hundred".