56249867216 has 10 divisors (see below), whose sum is σ = 108984117762. Its totient is φ = 28124933600.

The previous prime is 56249867209. The next prime is 56249867239. The reversal of 56249867216 is 61276894265.

It can be written as a sum of positive squares in only one way, i.e., 42066010000 + 14183857216 = 205100^2 + 119096^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1757808335 + ... + 1757808366.

Almost surely, 2^56249867216 is an apocalyptic number.

It is an amenable number.

56249867216 is a deficient number, since it is larger than the sum of its proper divisors (52734250546).

56249867216 is a wasteful number, since it uses less digits than its factorization.

56249867216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515616709 (or 3515616703 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The spelling of 56249867216 in words is "fifty-six billion, two hundred forty-nine million, eight hundred sixty-seven thousand, two hundred sixteen".