56647080 has 256 divisors, whose sum is σ = 221184000. Its totient is φ = 12628224.

The previous prime is 56647057. The next prime is 56647081. The reversal of 56647080 is 8074665.

It is a happy number.

56647080 is a `hidden beast` number, since 5 + 6 + 647 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (56647081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 445977 + ... + 446103.

It is an arithmetic number, because the mean of its divisors is an integer number (864000).

Almost surely, 2^56647080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56647080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110592000).

56647080 is an abundant number, since it is smaller than the sum of its proper divisors (164536920).

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

56647080 is a wasteful number, since it uses less digits than its factorization.

56647080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 56647080 is about 7526.4254463856. The cubic root of 56647080 is about 384.0541915707.

The spelling of 56647080 in words is "fifty-six million, six hundred forty-seven thousand, eighty".