56477540286 has 24 divisors (see below), whose sum is σ = 122378976720. Its totient is φ = 18824158656.

The previous prime is 56477540269. The next prime is 56477540297. The reversal of 56477540286 is 68204577465.

It is a happy number.

56477540286 is a `hidden beast` number, since 5 + 6 + 4 + 77 + 540 + 28 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74535 + ... + 344253.

It is an arithmetic number, because the mean of its divisors is an integer number (5099124030).

Almost surely, 2^56477540286 is an apocalyptic number.

56477540286 is an abundant number, since it is smaller than the sum of its proper divisors (65901436434).

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

56477540286 is a wasteful number, since it uses less digits than its factorization.

56477540286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281360 (or 281357 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 56477540286 in words is "fifty-six billion, four hundred seventy-seven million, five hundred forty thousand, two hundred eighty-six".