56164599757 has 4 divisors (see below), whose sum is σ = 64188114016. Its totient is φ = 48141085500.

The previous prime is 56164599749. The next prime is 56164599781. The reversal of 56164599757 is 75799546165.

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 56164599757 - 2³ = 56164599749 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 (56164599787) 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, 4011757119 + ... + 4011757132.

It is an arithmetic number, because the mean of its divisors is an integer number (16047028504).

Almost surely, 2^56164599757 is an apocalyptic number.

It is an amenable number.

56164599757 is a deficient number, since it is larger than the sum of its proper divisors (8023514259).

56164599757 is an equidigital number, since it uses as much as digits as its factorization.

56164599757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023514258.

The product of its digits is 71442000, while the sum is 64.

The spelling of 56164599757 in words is "fifty-six billion, one hundred sixty-four million, five hundred ninety-nine thousand, seven hundred fifty-seven".