56056064557 has 8 divisors (see below), whose sum is σ = 57889854720. Its totient is φ = 54223870080.

The previous prime is 56056064543. The next prime is 56056064569. The reversal of 56056064557 is 75546065065.

56056064557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-56056064557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56056064557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56056064507) 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, 327307 + ... + 468232.

It is an arithmetic number, because the mean of its divisors is an integer number (7236231840).

Almost surely, 2^56056064557 is an apocalyptic number.

It is an amenable number.

56056064557 is a deficient number, since it is larger than the sum of its proper divisors (1833790163).

56056064557 is a wasteful number, since it uses less digits than its factorization.

56056064557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797843.

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 56056064557 in words is "fifty-six billion, fifty-six million, sixty-four thousand, five hundred fifty-seven".