56689336 has 16 divisors (see below), whose sum is σ = 115955640. Its totient is φ = 25767840.

The previous prime is 56689327. The next prime is 56689337. The reversal of 56689336 is 63398665.

It is a super-2 number, since 2×56689336² = 6427361632241792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56689337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322011 + ... + 322186.

Almost surely, 2^56689336 is an apocalyptic number.

It is an amenable number.

56689336 is an abundant number, since it is smaller than the sum of its proper divisors (59266304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56689336 is a wasteful number, since it uses less digits than its factorization.

56689336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644214 (or 644210 counting only the distinct ones).

The product of its digits is 699840, while the sum is 46.

The square root of 56689336 is about 7529.2320989594. The cubic root of 56689336 is about 384.1496631604.

The spelling of 56689336 in words is "fifty-six million, six hundred eighty-nine thousand, three hundred thirty-six".