56676720 has 40 divisors (see below), whose sum is σ = 175698576. Its totient is φ = 15113728.

The previous prime is 56676661. The next prime is 56676721. The reversal of 56676720 is 2767665.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56676721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117837 + ... + 118316.

Almost surely, 2^56676720 is an apocalyptic number.

It is an amenable number.

56676720 is an abundant number, since it is smaller than the sum of its proper divisors (119021856).

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

56676720 is a wasteful number, since it uses less digits than its factorization.

56676720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236169 (or 236163 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 56676720 is about 7528.3942511003. The cubic root of 56676720 is about 384.1211640219.

The spelling of 56676720 in words is "fifty-six million, six hundred seventy-six thousand, seven hundred twenty".