56517373 has 4 divisors (see below), whose sum is σ = 61655328. Its totient is φ = 51379420.

The previous prime is 56517361. The next prime is 56517379. The reversal of 56517373 is 37371565.

It is a happy number.

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 56517373 - 2²⁵ = 22962941 is a prime.

It is a super-2 number, since 2×56517373² = 6388426901642258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56517379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568961 + ... + 2568982.

It is an arithmetic number, because the mean of its divisors is an integer number (15413832).

Almost surely, 2^56517373 is an apocalyptic number.

It is an amenable number.

56517373 is a deficient number, since it is larger than the sum of its proper divisors (5137955).

56517373 is a wasteful number, since it uses less digits than its factorization.

56517373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137954.

The product of its digits is 66150, while the sum is 37.

The square root of 56517373 is about 7517.8037351344. The cubic root of 56517373 is about 383.7608396674.

The spelling of 56517373 in words is "fifty-six million, five hundred seventeen thousand, three hundred seventy-three".