56531193 has 4 divisors (see below), whose sum is σ = 75374928. Its totient is φ = 37687460.

The previous prime is 56531191. The next prime is 56531207. The reversal of 56531193 is 39113565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56531193 - 2¹ = 56531191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56531191) 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, 9421863 + ... + 9421868.

It is an arithmetic number, because the mean of its divisors is an integer number (18843732).

Almost surely, 2^56531193 is an apocalyptic number.

It is an amenable number.

56531193 is a deficient number, since it is larger than the sum of its proper divisors (18843735).

56531193 is a wasteful number, since it uses less digits than its factorization.

56531193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18843734.

The product of its digits is 12150, while the sum is 33.

The square root of 56531193 is about 7518.7228303749. The cubic root of 56531193 is about 383.7921170268.

The spelling of 56531193 in words is "fifty-six million, five hundred thirty-one thousand, one hundred ninety-three".