56947653945 has 288 divisors, whose sum is σ = 130122720000. Its totient is φ = 22408565760.

The previous prime is 56947653923. The next prime is 56947653991. The reversal of 56947653945 is 54935674965.

56947653945 is a `hidden beast` number, since 5 + 6 + 94 + 7 + 6 + 539 + 4 + 5 = 666.

It is not a de Polignac number, because 56947653945 - 2⁵ = 56947653913 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 114123306 + ... + 114123804.

It is an arithmetic number, because the mean of its divisors is an integer number (451815000).

Almost surely, 2^56947653945 is an apocalyptic number.

It is an amenable number.

56947653945 is an abundant number, since it is smaller than the sum of its proper divisors (73175066055).

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

56947653945 is a wasteful number, since it uses less digits than its factorization.

56947653945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 587 counting only the distinct ones).

The product of its digits is 122472000, while the sum is 63.

The spelling of 56947653945 in words is "fifty-six billion, nine hundred forty-seven million, six hundred fifty-three thousand, nine hundred forty-five".