56551525 has 6 divisors (see below), whose sum is σ = 70123922. Its totient is φ = 45241200.

The previous prime is 56551519. The next prime is 56551529. The reversal of 56551525 is 52515565.

It can be written as a sum of positive squares in 3 ways, for example, as 10556001 + 45995524 = 3249^2 + 6782^2 .

It is not a de Polignac number, because 56551525 - 2¹⁷ = 56420453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56551529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1131006 + ... + 1131055.

Almost surely, 2^56551525 is an apocalyptic number.

It is an amenable number.

56551525 is a deficient number, since it is larger than the sum of its proper divisors (13572397).

56551525 is a wasteful number, since it uses less digits than its factorization.

56551525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262071 (or 2262066 counting only the distinct ones).

The product of its digits is 37500, while the sum is 34.

The square root of 56551525 is about 7520.0748001599. The cubic root of 56551525 is about 383.8381230493.

The spelling of 56551525 in words is "fifty-six million, five hundred fifty-one thousand, five hundred twenty-five".