56837557427 has 32 divisors (see below), whose sum is σ = 72048724992. Its totient is φ = 43687378944.

The previous prime is 56837557411. The next prime is 56837557453. The reversal of 56837557427 is 72475573865.

It is a cyclic number.

It is not a de Polignac number, because 56837557427 - 2⁴ = 56837557411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56837557027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663008 + ... + 743810.

It is an arithmetic number, because the mean of its divisors is an integer number (2251522656).

Almost surely, 2^56837557427 is an apocalyptic number.

56837557427 is a deficient number, since it is larger than the sum of its proper divisors (15211167565).

56837557427 is a wasteful number, since it uses less digits than its factorization.

56837557427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81107.

The product of its digits is 49392000, while the sum is 59.

The spelling of 56837557427 in words is "fifty-six billion, eight hundred thirty-seven million, five hundred fifty-seven thousand, four hundred twenty-seven".