56315197 has 4 divisors (see below), whose sum is σ = 56745216. Its totient is φ = 55885180.

The previous prime is 56315191. The next prime is 56315213. The reversal of 56315197 is 79151365.

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 a de Polignac number, because none of the positive numbers 2^k-56315197 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 (56315191) 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, 214813 + ... + 215074.

It is an arithmetic number, because the mean of its divisors is an integer number (14186304).

Almost surely, 2^56315197 is an apocalyptic number.

It is an amenable number.

56315197 is a deficient number, since it is larger than the sum of its proper divisors (430019).

56315197 is a wasteful number, since it uses less digits than its factorization.

56315197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430018.

The product of its digits is 28350, while the sum is 37.

The square root of 56315197 is about 7504.3452079445. The cubic root of 56315197 is about 383.3026918587.

The spelling of 56315197 in words is "fifty-six million, three hundred fifteen thousand, one hundred ninety-seven".