56281554366 has 64 divisors (see below), whose sum is σ = 118088340480. Its totient is φ = 17859703680.

The previous prime is 56281554347. The next prime is 56281554377. The reversal of 56281554366 is 66345518265.

It is a super-2 number, since 2×56281554366² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3570795 + ... + 3586521.

It is an arithmetic number, because the mean of its divisors is an integer number (1845130320).

Almost surely, 2^56281554366 is an apocalyptic number.

56281554366 is an abundant number, since it is smaller than the sum of its proper divisors (61806786114).

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

56281554366 is a wasteful number, since it uses less digits than its factorization.

56281554366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16049.

The product of its digits is 5184000, while the sum is 51.

The spelling of 56281554366 in words is "fifty-six billion, two hundred eighty-one million, five hundred fifty-four thousand, three hundred sixty-six".