56453500165 has 4 divisors (see below), whose sum is σ = 67744200204. Its totient is φ = 45162800128.

The previous prime is 56453500163. The next prime is 56453500211. The reversal of 56453500165 is 56100535465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20133907236 + 36319592929 = 141894^2 + 190577^2 .

It is a cyclic number.

It is not a de Polignac number, because 56453500165 - 2¹ = 56453500163 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 (56453500163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5645350012 + ... + 5645350021.

It is an arithmetic number, because the mean of its divisors is an integer number (16936050051).

Almost surely, 2^56453500165 is an apocalyptic number.

It is an amenable number.

56453500165 is a deficient number, since it is larger than the sum of its proper divisors (11290700039).

56453500165 is a wasteful number, since it uses less digits than its factorization.

56453500165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11290700038.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 56453500165 in words is "fifty-six billion, four hundred fifty-three million, five hundred thousand, one hundred sixty-five".