56371470557 has 8 divisors (see below), whose sum is σ = 59950128000. Its totient is φ = 52853986944.

The previous prime is 56371470521. The next prime is 56371470563. The reversal of 56371470557 is 75507417365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56371470557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56371470517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15291557 + ... + 15295242.

It is an arithmetic number, because the mean of its divisors is an integer number (7493766000).

Almost surely, 2^56371470557 is an apocalyptic number.

It is an amenable number.

56371470557 is a deficient number, since it is larger than the sum of its proper divisors (3578657443).

56371470557 is a wasteful number, since it uses less digits than its factorization.

56371470557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30586915.

The product of its (nonzero) digits is 3087000, while the sum is 50.

The spelling of 56371470557 in words is "fifty-six billion, three hundred seventy-one million, four hundred seventy thousand, five hundred fifty-seven".