56517670 has 64 divisors (see below), whose sum is σ = 117573120. Its totient is φ = 19360000.

The previous prime is 56517631. The next prime is 56517677. The reversal of 56517670 is 7671565.

56517670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56517677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225045 + ... + 225295.

It is an arithmetic number, because the mean of its divisors is an integer number (1837080).

Almost surely, 2^56517670 is an apocalyptic number.

56517670 is an abundant number, since it is smaller than the sum of its proper divisors (61055450).

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

56517670 is a wasteful number, since it uses less digits than its factorization.

56517670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 56517670 is about 7517.8234882178. The cubic root of 56517670 is about 383.7615118900.

The spelling of 56517670 in words is "fifty-six million, five hundred seventeen thousand, six hundred seventy".