55837594728 has 64 divisors (see below), whose sum is σ = 155436840000. Its totient is φ = 18572642496.

The previous prime is 55837594721. The next prime is 55837594781. The reversal of 55837594728 is 82749573855.

55837594728 is a `hidden beast` number, since 5 + 5 + 8 + 37 + 594 + 7 + 2 + 8 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55837594721) 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, 175903 + ... + 377646.

It is an arithmetic number, because the mean of its divisors is an integer number (2428700625).

Almost surely, 2^55837594728 is an apocalyptic number.

It is an amenable number.

55837594728 is an abundant number, since it is smaller than the sum of its proper divisors (99599245272).

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

55837594728 is a wasteful number, since it uses less digits than its factorization.

55837594728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554031 (or 554021 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 63.

The spelling of 55837594728 in words is "fifty-five billion, eight hundred thirty-seven million, five hundred ninety-four thousand, seven hundred twenty-eight".