55986392904 has 64 divisors (see below), whose sum is σ = 150777244800. Its totient is φ = 17221479936.

The previous prime is 55986392887. The next prime is 55986392923. The reversal of 55986392904 is 40929368955.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105612 + ... + 1155140.

It is an arithmetic number, because the mean of its divisors is an integer number (2355894450).

Almost surely, 2^55986392904 is an apocalyptic number.

It is an amenable number.

55986392904 is an abundant number, since it is smaller than the sum of its proper divisors (94790851896).

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

55986392904 is a wasteful number, since it uses less digits than its factorization.

55986392904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53174 (or 53170 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 55986392904 in words is "fifty-five billion, nine hundred eighty-six million, three hundred ninety-two thousand, nine hundred four".