56156353631544 has 32 divisors (see below), whose sum is σ = 140412892752000. Its totient is φ = 18715850054112.

The previous prime is 56156353631503. The next prime is 56156353631557. The reversal of 56156353631544 is 44513635365165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183249324 + ... + 183555515.

It is an arithmetic number, because the mean of its divisors is an integer number (4387902898500).

Almost surely, 2^{56156353631544} is an apocalyptic number.

It is an amenable number.

56156353631544 is an abundant number, since it is smaller than the sum of its proper divisors (84256539120456).

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

56156353631544 is a wasteful number, since it uses less digits than its factorization.

56156353631544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366811227 (or 366811223 counting only the distinct ones).

The product of its digits is 58320000, while the sum is 57.

The spelling of 56156353631544 in words is "fifty-six trillion, one hundred fifty-six billion, three hundred fifty-three million, six hundred thirty-one thousand, five hundred forty-four".