56047660 has 12 divisors (see below), whose sum is σ = 117700128. Its totient is φ = 22419056.

The previous prime is 56047639. The next prime is 56047681. The reversal of 56047660 is 6674065.

56047660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56047639) and next prime (56047681).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1401172 + ... + 1401211.

It is an arithmetic number, because the mean of its divisors is an integer number (9808344).

Almost surely, 2^56047660 is an apocalyptic number.

It is an amenable number.

56047660 is an abundant number, since it is smaller than the sum of its proper divisors (61652468).

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

56047660 is a wasteful number, since it uses less digits than its factorization.

56047660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802392 (or 2802390 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 56047660 is about 7486.4985139917. The cubic root of 56047660 is about 382.6947418500.

The spelling of 56047660 in words is "fifty-six million, forty-seven thousand, six hundred sixty".