56955239547 has 16 divisors (see below), whose sum is σ = 76092887808. Its totient is φ = 37893938720.

The previous prime is 56955239513. The next prime is 56955239569. The reversal of 56955239547 is 74593255965.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56955239547 - 2⁸ = 56955239291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56955239507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4380418 + ... + 4393400.

It is an arithmetic number, because the mean of its divisors is an integer number (4755805488).

Almost surely, 2^56955239547 is an apocalyptic number.

56955239547 is a deficient number, since it is larger than the sum of its proper divisors (19137648261).

56955239547 is a wasteful number, since it uses less digits than its factorization.

56955239547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15810.

The product of its digits is 51030000, while the sum is 60.

The spelling of 56955239547 in words is "fifty-six billion, nine hundred fifty-five million, two hundred thirty-nine thousand, five hundred forty-seven".