56053617 has 4 divisors (see below), whose sum is σ = 74738160. Its totient is φ = 37369076.

The previous prime is 56053603. The next prime is 56053619. The reversal of 56053617 is 71635065.

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 56053617 - 2¹⁹ = 55529329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56053619) 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, 9342267 + ... + 9342272.

It is an arithmetic number, because the mean of its divisors is an integer number (18684540).

Almost surely, 2^56053617 is an apocalyptic number.

It is an amenable number.

56053617 is a deficient number, since it is larger than the sum of its proper divisors (18684543).

56053617 is a wasteful number, since it uses less digits than its factorization.

56053617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18684542.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 56053617 is about 7486.8963529623. The cubic root of 56053617 is about 382.7082995484.

The spelling of 56053617 in words is "fifty-six million, fifty-three thousand, six hundred seventeen".