56455173131 has 8 divisors (see below), whose sum is σ = 65146608384. Its totient is φ = 47920340520.

The previous prime is 56455173109. The next prime is 56455173133. The reversal of 56455173131 is 13137155465.

56455173131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56455173131 - 2⁶ = 56455173067 is a prime.

It is a super-2 number, since 2×56455173131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56455173133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39149885 + ... + 39151326.

It is an arithmetic number, because the mean of its divisors is an integer number (8143326048).

Almost surely, 2^56455173131 is an apocalyptic number.

56455173131 is a deficient number, since it is larger than the sum of its proper divisors (8691435253).

56455173131 is a wasteful number, since it uses less digits than its factorization.

56455173131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78301321.

The product of its digits is 189000, while the sum is 41.

The spelling of 56455173131 in words is "fifty-six billion, four hundred fifty-five million, one hundred seventy-three thousand, one hundred thirty-one".