56501134237 has 16 divisors (see below), whose sum is σ = 58433025600. Its totient is φ = 54605041920.

The previous prime is 56501134187. The next prime is 56501134241. The reversal of 56501134237 is 73243110565.

It is a cyclic number.

It is not a de Polignac number, because 56501134237 - 2²⁷ = 56366916509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56501134196 and 56501134205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56501144237) 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, 1998037 + ... + 2026117.

It is an arithmetic number, because the mean of its divisors is an integer number (3652064100).

Almost surely, 2^56501134237 is an apocalyptic number.

It is an amenable number.

56501134237 is a deficient number, since it is larger than the sum of its proper divisors (1931891363).

56501134237 is a wasteful number, since it uses less digits than its factorization.

56501134237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28716.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 56501134237 in words is "fifty-six billion, five hundred one million, one hundred thirty-four thousand, two hundred thirty-seven".