56428570725 has 48 divisors (see below), whose sum is σ = 101373511680. Its totient is φ = 27591537600.

The previous prime is 56428570721. The next prime is 56428570729. The reversal of 56428570725 is 52707582465.

56428570725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56428570721) and next prime (56428570729).

It is not a de Polignac number, because 56428570725 - 2² = 56428570721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56428570721) 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, 594519 + ... + 682868.

It is an arithmetic number, because the mean of its divisors is an integer number (2111948160).

Almost surely, 2^56428570725 is an apocalyptic number.

It is an amenable number.

56428570725 is a deficient number, since it is larger than the sum of its proper divisors (44944940955).

56428570725 is a wasteful number, since it uses less digits than its factorization.

56428570725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277450 (or 1277445 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 51.

The spelling of 56428570725 in words is "fifty-six billion, four hundred twenty-eight million, five hundred seventy thousand, seven hundred twenty-five".