56166797 has 4 divisors (see below), whose sum is σ = 56461056. Its totient is φ = 55872540.

The previous prime is 56166791. The next prime is 56166809. The reversal of 56166797 is 79766165.

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 56166797 - 2⁸ = 56166541 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 (56166791) 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, 146843 + ... + 147224.

It is an arithmetic number, because the mean of its divisors is an integer number (14115264).

Almost surely, 2^56166797 is an apocalyptic number.

It is an amenable number.

56166797 is a deficient number, since it is larger than the sum of its proper divisors (294259).

56166797 is a wasteful number, since it uses less digits than its factorization.

56166797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294258.

The product of its digits is 476280, while the sum is 47.

The square root of 56166797 is about 7494.4510806329. The cubic root of 56166797 is about 382.9657066964.

The spelling of 56166797 in words is "fifty-six million, one hundred sixty-six thousand, seven hundred ninety-seven".