56235557 has 8 divisors (see below), whose sum is σ = 64607232. Its totient is φ = 47948400.

The previous prime is 56235539. The next prime is 56235563. The reversal of 56235557 is 75553265.

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

It is a cyclic number.

It is not a de Polignac number, because 56235557 - 2⁶ = 56235493 is a prime.

It is a super-2 number, since 2×56235557² = 6324875742200498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56235557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56235757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19694 + ... + 22367.

It is an arithmetic number, because the mean of its divisors is an integer number (8075904).

Almost surely, 2^56235557 is an apocalyptic number.

It is an amenable number.

56235557 is a deficient number, since it is larger than the sum of its proper divisors (8371675).

56235557 is a wasteful number, since it uses less digits than its factorization.

56235557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42259.

The product of its digits is 157500, while the sum is 38.

The square root of 56235557 is about 7499.0370715179. The cubic root of 56235557 is about 383.1219198870.

The spelling of 56235557 in words is "fifty-six million, two hundred thirty-five thousand, five hundred fifty-seven".