56145425 has 18 divisors (see below), whose sum is σ = 80988678. Its totient is φ = 38498880.

The previous prime is 56145413. The next prime is 56145449. The reversal of 56145425 is 52454165.

It can be written as a sum of positive squares in 3 ways, for example, as 5564881 + 50580544 = 2359^2 + 7112^2 .

It is not a de Polignac number, because 56145425 - 2¹² = 56141329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56145391 and 56145400.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21692 + ... + 24141.

It is an arithmetic number, because the mean of its divisors is an integer number (4499371).

Almost surely, 2^56145425 is an apocalyptic number.

It is an amenable number.

56145425 is a deficient number, since it is larger than the sum of its proper divisors (24843253).

56145425 is a wasteful number, since it uses less digits than its factorization.

56145425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45857 (or 45845 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 56145425 is about 7493.0250900421. The cubic root of 56145425 is about 382.9171265040.

The spelling of 56145425 in words is "fifty-six million, one hundred forty-five thousand, four hundred twenty-five".