56599641 has 20 divisors (see below), whose sum is σ = 96629632. Its totient is φ = 32342328.

The previous prime is 56599637. The next prime is 56599649. The reversal of 56599641 is 14699565.

It is a happy number.

56599641 is a `hidden beast` number, since 56 + 599 + 6 + 4 + 1 = 666.

It is not a de Polignac number, because 56599641 - 2² = 56599637 is a prime.

It is a super-2 number, since 2×56599641² = 6407038722657762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56599649) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49345 + ... + 50478.

Almost surely, 2^56599641 is an apocalyptic number.

It is an amenable number.

56599641 is a deficient number, since it is larger than the sum of its proper divisors (40029991).

56599641 is an equidigital number, since it uses as much as digits as its factorization.

56599641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99842 (or 99833 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 56599641 is about 7523.2732902640. The cubic root of 56599641 is about 383.9469531215.

The spelling of 56599641 in words is "fifty-six million, five hundred ninety-nine thousand, six hundred forty-one".