56521425 has 12 divisors (see below), whose sum is σ = 93448880. Its totient is φ = 30144720.

The previous prime is 56521403. The next prime is 56521427. The reversal of 56521425 is 52412565.

It is not a de Polignac number, because 56521425 - 2¹⁴ = 56505041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56521392 and 56521401.

It is not an unprimeable number, because it can be changed into a prime (56521427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376735 + ... + 376884.

Almost surely, 2^56521425 is an apocalyptic number.

It is an amenable number.

56521425 is a deficient number, since it is larger than the sum of its proper divisors (36927455).

56521425 is a wasteful number, since it uses less digits than its factorization.

56521425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753632 (or 753627 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 56521425 is about 7518.0732239052. The cubic root of 56521425 is about 383.7700106631.

The spelling of 56521425 in words is "fifty-six million, five hundred twenty-one thousand, four hundred twenty-five".