56557147286 has 8 divisors (see below), whose sum is σ = 87572357184. Its totient is φ = 27366361560.

The previous prime is 56557147271. The next prime is 56557147301. The reversal of 56557147286 is 68274175565.

It is an interprime number because it is at equal distance from previous prime (56557147271) and next prime (56557147301).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456105965 + ... + 456106088.

It is an arithmetic number, because the mean of its divisors is an integer number (10946544648).

Almost surely, 2^56557147286 is an apocalyptic number.

56557147286 is a deficient number, since it is larger than the sum of its proper divisors (31015209898).

56557147286 is a wasteful number, since it uses less digits than its factorization.

56557147286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912212086.

The product of its digits is 14112000, while the sum is 56.

The spelling of 56557147286 in words is "fifty-six billion, five hundred fifty-seven million, one hundred forty-seven thousand, two hundred eighty-six".