56805625 has 20 divisors (see below), whose sum is σ = 71792644. Its totient is φ = 44928000.

The previous prime is 56805527. The next prime is 56805629. The reversal of 56805625 is 52650865.

It can be written as a sum of positive squares in 10 ways, for example, as 54582544 + 2223081 = 7388^2 + 1491^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56805625 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56805629) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60157 + ... + 61093.

Almost surely, 2^56805625 is an apocalyptic number.

It is an amenable number.

56805625 is a deficient number, since it is larger than the sum of its proper divisors (14987019).

56805625 is an frugal number, since it uses more digits than its factorization.

56805625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 56805625 is about 7536.9506433305. The cubic root of 56805625 is about 384.4121573791.

The spelling of 56805625 in words is "fifty-six million, eight hundred five thousand, six hundred twenty-five".