56635493 has 8 divisors (see below), whose sum is σ = 58988160. Its totient is φ = 54326160.

The previous prime is 56635489. The next prime is 56635519. The reversal of 56635493 is 39453665.

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 56635493 - 2² = 56635489 is a prime.

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 56635493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56635193) 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, 8153 + ... + 13406.

It is an arithmetic number, because the mean of its divisors is an integer number (7373520).

Almost surely, 2^56635493 is an apocalyptic number.

It is an amenable number.

56635493 is a deficient number, since it is larger than the sum of its proper divisors (2352667).

56635493 is a wasteful number, since it uses less digits than its factorization.

56635493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21667.

The product of its digits is 291600, while the sum is 41.

The square root of 56635493 is about 7525.6556524997. The cubic root of 56635493 is about 384.0280040522.

The spelling of 56635493 in words is "fifty-six million, six hundred thirty-five thousand, four hundred ninety-three".