56957825 has 6 divisors (see below), whose sum is σ = 70627734. Its totient is φ = 45566240.

The previous prime is 56957807. The next prime is 56957851. The reversal of 56957825 is 52875965.

It can be written as a sum of positive squares in 3 ways, for example, as 512656 + 56445169 = 716^2 + 7513^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56957825 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56957825.

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, 1139132 + ... + 1139181.

It is an arithmetic number, because the mean of its divisors is an integer number (11771289).

Almost surely, 2^56957825 is an apocalyptic number.

It is an amenable number.

56957825 is a deficient number, since it is larger than the sum of its proper divisors (13669909).

56957825 is a wasteful number, since it uses less digits than its factorization.

56957825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278323 (or 2278318 counting only the distinct ones).

The product of its digits is 756000, while the sum is 47.

The square root of 56957825 is about 7547.0408108079. The cubic root of 56957825 is about 384.7551712660.

The spelling of 56957825 in words is "fifty-six million, nine hundred fifty-seven thousand, eight hundred twenty-five".