56449317285 has 16 divisors (see below), whose sum is σ = 100354342080. Its totient is φ = 30106302480.

The previous prime is 56449317277. The next prime is 56449317311. The reversal of 56449317285 is 58271394465.

It is a happy number.

56449317285 is a `hidden beast` number, since 5 + 6 + 4 + 49 + 317 + 285 = 666.

It is not a de Polignac number, because 56449317285 - 2³ = 56449317277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209071411 + ... + 209071680.

It is an arithmetic number, because the mean of its divisors is an integer number (6272146380).

Almost surely, 2^56449317285 is an apocalyptic number.

It is an amenable number.

56449317285 is a deficient number, since it is larger than the sum of its proper divisors (43905024795).

56449317285 is a wasteful number, since it uses less digits than its factorization.

56449317285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418143105 (or 418143099 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 56449317285 in words is "fifty-six billion, four hundred forty-nine million, three hundred seventeen thousand, two hundred eighty-five".