56864697 has 4 divisors (see below), whose sum is σ = 75819600. Its totient is φ = 37909796.

The previous prime is 56864693. The next prime is 56864713. The reversal of 56864697 is 79646865.

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 56864697 - 2² = 56864693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56864693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9477447 + ... + 9477452.

It is an arithmetic number, because the mean of its divisors is an integer number (18954900).

Almost surely, 2^56864697 is an apocalyptic number.

It is an amenable number.

56864697 is a deficient number, since it is larger than the sum of its proper divisors (18954903).

56864697 is a wasteful number, since it uses less digits than its factorization.

56864697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18954902.

The product of its digits is 2177280, while the sum is 51.

The square root of 56864697 is about 7540.8684513125. The cubic root of 56864697 is about 384.5453609024.

The spelling of 56864697 in words is "fifty-six million, eight hundred sixty-four thousand, six hundred ninety-seven".