56306688 has 44 divisors (see below), whose sum is σ = 150086040. Its totient is φ = 18767872.

The previous prime is 56306683. The next prime is 56306693. The reversal of 56306688 is 88660365.

It is an interprime number because it is at equal distance from previous prime (56306683) and next prime (56306693).

It is a super-2 number, since 2×56306688² = 6340886227058688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56306683) 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, 6093 + ... + 12236.

Almost surely, 2^56306688 is an apocalyptic number.

It is an amenable number.

56306688 is an abundant number, since it is smaller than the sum of its proper divisors (93779352).

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

56306688 is a wasteful number, since it uses less digits than its factorization.

56306688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18352 (or 18334 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 56306688 is about 7503.7782483226. The cubic root of 56306688 is about 383.2833857207.

The spelling of 56306688 in words is "fifty-six million, three hundred six thousand, six hundred eighty-eight".