56561025 has 24 divisors (see below), whose sum is σ = 97583040. Its totient is φ = 28853440.

The previous prime is 56561003. The next prime is 56561027. The reversal of 56561025 is 52016565.

56561025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56561025 - 2⁵ = 56560993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56560983 and 56561001.

It is not an unprimeable number, because it can be changed into a prime (56561027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14670 + ... + 18119.

It is an arithmetic number, because the mean of its divisors is an integer number (4065960).

Almost surely, 2^56561025 is an apocalyptic number.

It is an amenable number.

56561025 is a deficient number, since it is larger than the sum of its proper divisors (41022015).

56561025 is a wasteful number, since it uses less digits than its factorization.

56561025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32825 (or 32820 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 56561025 is about 7520.7064162883. The cubic root of 56561025 is about 383.8596152961.

The spelling of 56561025 in words is "fifty-six million, five hundred sixty-one thousand, twenty-five".