56625503490 has 80 divisors (see below), whose sum is σ = 161216178552. Its totient is φ = 14211887616.

The previous prime is 56625503471. The next prime is 56625503503. The reversal of 56625503490 is 9430552665.

56625503490 is a `hidden beast` number, since 5 + 6 + 6 + 2 + 550 + 3 + 4 + 90 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 52336170441 + 4289333049 = 228771^2 + 65493^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2042349 + ... + 2069888.

Almost surely, 2^56625503490 is an apocalyptic number.

56625503490 is an abundant number, since it is smaller than the sum of its proper divisors (104590675062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56625503490 is a wasteful number, since it uses less digits than its factorization.

56625503490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112273 (or 4112264 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 56625503490 in words is "fifty-six billion, six hundred twenty-five million, five hundred three thousand, four hundred ninety".