56711197 has 8 divisors (see below), whose sum is σ = 57791160. Its totient is φ = 55641600.

The previous prime is 56711173. The next prime is 56711209. The reversal of 56711197 is 79111765.

It can be written as a sum of positive squares in 4 ways, for example, as 2232036 + 54479161 = 1494^2 + 7381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56711197 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 (56711107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8929 + ... + 13897.

It is an arithmetic number, because the mean of its divisors is an integer number (7223895).

Almost surely, 2^56711197 is an apocalyptic number.

It is an amenable number.

56711197 is a deficient number, since it is larger than the sum of its proper divisors (1079963).

56711197 is a wasteful number, since it uses less digits than its factorization.

56711197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183.

The product of its digits is 13230, while the sum is 37.

The square root of 56711197 is about 7530.6837007008. The cubic root of 56711197 is about 384.1990364471.

The spelling of 56711197 in words is "fifty-six million, seven hundred eleven thousand, one hundred ninety-seven".