56554507857 has 8 divisors (see below), whose sum is σ = 75948500320. Its totient is φ = 37431760320.

The previous prime is 56554507843. The next prime is 56554507861. The reversal of 56554507857 is 75870545565.

56554507857 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 not a de Polignac number, because 56554507857 - 2¹⁴ = 56554491473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56554507797 and 56554507806.

It is not an unprimeable number, because it can be changed into a prime (56554507837) 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, 67810744 + ... + 67811577.

It is an arithmetic number, because the mean of its divisors is an integer number (9493562540).

Almost surely, 2^56554507857 is an apocalyptic number.

It is an amenable number.

56554507857 is a deficient number, since it is larger than the sum of its proper divisors (19393992463).

56554507857 is a wasteful number, since it uses less digits than its factorization.

56554507857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135622463.

The product of its (nonzero) digits is 29400000, while the sum is 57.

The spelling of 56554507857 in words is "fifty-six billion, five hundred fifty-four million, five hundred seven thousand, eight hundred fifty-seven".