56057684537239 has 12 divisors (see below), whose sum is σ = 71138137706568. Its totient is φ = 43681312626000.

The previous prime is 56057684537161. The next prime is 56057684537249. The reversal of 56057684537239 is 93273548675065.

It is not a de Polignac number, because 56057684537239 - 2¹³ = 56057684529047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56057684537249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52001562112 + ... + 52001563189.

It is an arithmetic number, because the mean of its divisors is an integer number (5928178142214).

Almost surely, 2^{56057684537239} is an apocalyptic number.

56057684537239 is a deficient number, since it is larger than the sum of its proper divisors (15080453169329).

56057684537239 is a wasteful number, since it uses less digits than its factorization.

56057684537239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104003125326 (or 104003125319 counting only the distinct ones).

The product of its (nonzero) digits is 1143072000, while the sum is 70.

The spelling of 56057684537239 in words is "fifty-six trillion, fifty-seven billion, six hundred eighty-four million, five hundred thirty-seven thousand, two hundred thirty-nine".