56157425 has 6 divisors (see below), whose sum is σ = 69635238. Its totient is φ = 44925920.

The previous prime is 56157419. The next prime is 56157449. The reversal of 56157425 is 52475165.

It can be written as a sum of positive squares in 3 ways, for example, as 17007376 + 39150049 = 4124^2 + 6257^2 .

It is not a de Polignac number, because 56157425 - 2⁸ = 56157169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123124 + ... + 1123173.

It is an arithmetic number, because the mean of its divisors is an integer number (11605873).

Almost surely, 2^56157425 is an apocalyptic number.

It is an amenable number.

56157425 is a deficient number, since it is larger than the sum of its proper divisors (13477813).

56157425 is a wasteful number, since it uses less digits than its factorization.

56157425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246307 (or 2246302 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 56157425 is about 7493.8257919437. The cubic root of 56157425 is about 382.9444049402.

The spelling of 56157425 in words is "fifty-six million, one hundred fifty-seven thousand, four hundred twenty-five".