56155593 has 16 divisors (see below), whose sum is σ = 80881920. Its totient is φ = 34450944.

The previous prime is 56155591. The next prime is 56155667. The reversal of 56155593 is 39555165.

It is not a de Polignac number, because 56155593 - 2¹ = 56155591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (56155591) 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, 11728 + ... + 15806.

It is an arithmetic number, because the mean of its divisors is an integer number (5055120).

Almost surely, 2^56155593 is an apocalyptic number.

It is an amenable number.

56155593 is a deficient number, since it is larger than the sum of its proper divisors (24726327).

56155593 is a wasteful number, since it uses less digits than its factorization.

56155593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448.

The product of its digits is 101250, while the sum is 39.

The square root of 56155593 is about 7493.7035569870. The cubic root of 56155593 is about 382.9402406837.

The spelling of 56155593 in words is "fifty-six million, one hundred fifty-five thousand, five hundred ninety-three".