56404585 has 8 divisors (see below), whose sum is σ = 67936896. Its totient is φ = 44956080.

The previous prime is 56404583. The next prime is 56404591. The reversal of 56404585 is 58540465.

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

It is not a de Polignac number, because 56404585 - 2¹ = 56404583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56404583) 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, 19459 + ... + 22168.

It is an arithmetic number, because the mean of its divisors is an integer number (8492112).

Almost surely, 2^56404585 is an apocalyptic number.

It is an amenable number.

56404585 is a deficient number, since it is larger than the sum of its proper divisors (11532311).

56404585 is a wasteful number, since it uses less digits than its factorization.

56404585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41903.

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 56404585 is about 7510.2985959281. The cubic root of 56404585 is about 383.5053875824.

The spelling of 56404585 in words is "fifty-six million, four hundred four thousand, five hundred eighty-five".