56973117 has 4 divisors (see below), whose sum is σ = 75964160. Its totient is φ = 37982076.

The previous prime is 56973107. The next prime is 56973127. The reversal of 56973117 is 71137965.

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 an interprime number because it is at equal distance from previous prime (56973107) and next prime (56973127).

It is not a de Polignac number, because 56973117 - 2⁶ = 56973053 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 (56973107) 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, 9495517 + ... + 9495522.

It is an arithmetic number, because the mean of its divisors is an integer number (18991040).

Almost surely, 2^56973117 is an apocalyptic number.

It is an amenable number.

56973117 is a deficient number, since it is larger than the sum of its proper divisors (18991043).

56973117 is a wasteful number, since it uses less digits than its factorization.

56973117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18991042.

The product of its digits is 39690, while the sum is 39.

The square root of 56973117 is about 7548.0538551338. The cubic root of 56973117 is about 384.7896011247.

The spelling of 56973117 in words is "fifty-six million, nine hundred seventy-three thousand, one hundred seventeen".