56997440925 has 48 divisors (see below), whose sum is σ = 94932173952. Its totient is φ = 30174393600.

The previous prime is 56997440921. The next prime is 56997440933. The reversal of 56997440925 is 52904479965.

It is not a de Polignac number, because 56997440925 - 2² = 56997440921 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56997440921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16094655 + ... + 16098195.

It is an arithmetic number, because the mean of its divisors is an integer number (1977753624).

Almost surely, 2^56997440925 is an apocalyptic number.

It is an amenable number.

56997440925 is a deficient number, since it is larger than the sum of its proper divisors (37934733027).

56997440925 is a wasteful number, since it uses less digits than its factorization.

56997440925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078 (or 5073 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 56997440925 in words is "fifty-six billion, nine hundred ninety-seven million, four hundred forty thousand, nine hundred twenty-five".