56625473439 has 20 divisors (see below), whose sum is σ = 84951740016. Its totient is φ = 37588284576.

The previous prime is 56625473419. The next prime is 56625473453. The reversal of 56625473439 is 93437452665.

56625473439 is a `hidden beast` number, since 5 + 6 + 62 + 547 + 3 + 4 + 39 = 666.

It is not a de Polignac number, because 56625473439 - 2¹⁵ = 56625440671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56625473419) 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, 1481299 + ... + 1519044.

Almost surely, 2^56625473439 is an apocalyptic number.

56625473439 is a deficient number, since it is larger than the sum of its proper divisors (28326266577).

56625473439 is a wasteful number, since it uses less digits than its factorization.

56625473439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000588 (or 3000579 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 54.

The spelling of 56625473439 in words is "fifty-six billion, six hundred twenty-five million, four hundred seventy-three thousand, four hundred thirty-nine".