56178797 has 4 divisors (see below), whose sum is σ = 57131040. Its totient is φ = 55226556.

The previous prime is 56178757. The next prime is 56178817. The reversal of 56178797 is 79787165.

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 56178797 - 2²⁰ = 55130221 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 (56178737) 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, 476033 + ... + 476150.

It is an arithmetic number, because the mean of its divisors is an integer number (14282760).

Almost surely, 2^56178797 is an apocalyptic number.

It is an amenable number.

56178797 is a deficient number, since it is larger than the sum of its proper divisors (952243).

56178797 is an equidigital number, since it uses as much as digits as its factorization.

56178797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952242.

The product of its digits is 740880, while the sum is 50.

The square root of 56178797 is about 7495.2516301989. The cubic root of 56178797 is about 382.9929782132.

The spelling of 56178797 in words is "fifty-six million, one hundred seventy-eight thousand, seven hundred ninety-seven".