56352657 has 4 divisors (see below), whose sum is σ = 75136880. Its totient is φ = 37568436.

The previous prime is 56352641. The next prime is 56352677. The reversal of 56352657 is 75625365.

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 not a de Polignac number, because 56352657 - 2⁴ = 56352641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56352617) 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, 9392107 + ... + 9392112.

It is an arithmetic number, because the mean of its divisors is an integer number (18784220).

Almost surely, 2^56352657 is an apocalyptic number.

It is an amenable number.

56352657 is a deficient number, since it is larger than the sum of its proper divisors (18784223).

56352657 is a wasteful number, since it uses less digits than its factorization.

56352657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18784222.

The product of its digits is 189000, while the sum is 39.

The square root of 56352657 is about 7506.8406803395. The cubic root of 56352657 is about 383.3876620330.

The spelling of 56352657 in words is "fifty-six million, three hundred fifty-two thousand, six hundred fifty-seven".