56959557 has 8 divisors (see below), whose sum is σ = 75981984. Its totient is φ = 37955088.

The previous prime is 56959547. The next prime is 56959561. The reversal of 56959557 is 75595965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56959557 - 2⁴ = 56959541 is a prime.

It is a super-2 number, since 2×56959557² = 6488782267272498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56959517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7458 + ... + 13020.

It is an arithmetic number, because the mean of its divisors is an integer number (9497748).

Almost surely, 2^56959557 is an apocalyptic number.

It is an amenable number.

56959557 is a deficient number, since it is larger than the sum of its proper divisors (19022427).

56959557 is a wasteful number, since it uses less digits than its factorization.

56959557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8979.

The product of its digits is 2126250, while the sum is 51.

The square root of 56959557 is about 7547.1555568969. The cubic root of 56959557 is about 384.7590711644.

The spelling of 56959557 in words is "fifty-six million, nine hundred fifty-nine thousand, five hundred fifty-seven".