55597865304 has 32 divisors (see below), whose sum is σ = 139485827520. Its totient is φ = 18467133216.

The previous prime is 55597865287. The next prime is 55597865311. The reversal of 55597865304 is 40356879555.

It is a super-2 number, since 2×55597865304² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4086102 + ... + 4099685.

It is an arithmetic number, because the mean of its divisors is an integer number (4358932110).

Almost surely, 2^55597865304 is an apocalyptic number.

It is an amenable number.

55597865304 is an abundant number, since it is smaller than the sum of its proper divisors (83887962216).

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

55597865304 is a wasteful number, since it uses less digits than its factorization.

55597865304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186079 (or 8186075 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 57.

The spelling of 55597865304 in words is "fifty-five billion, five hundred ninety-seven million, eight hundred sixty-five thousand, three hundred four".