56995025790 has 16 divisors (see below), whose sum is σ = 136788061968. Its totient is φ = 15198673536.

The previous prime is 56995025779. The next prime is 56995025807. The reversal of 56995025790 is 9752059965.

It is a self number, because there is not a number n which added to its sum of digits gives 56995025790.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949917067 + ... + 949917126.

It is an arithmetic number, because the mean of its divisors is an integer number (8549253873).

Almost surely, 2^56995025790 is an apocalyptic number.

56995025790 is an abundant number, since it is smaller than the sum of its proper divisors (79793036178).

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

56995025790 is a wasteful number, since it uses less digits than its factorization.

56995025790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899834203.

The product of its (nonzero) digits is 7654500, while the sum is 57.

The spelling of 56995025790 in words is "fifty-six billion, nine hundred ninety-five million, twenty-five thousand, seven hundred ninety".