56467984155856 has 40 divisors (see below), whose sum is σ = 134654423759744. Its totient is φ = 22338982742400.

The previous prime is 56467984155809. The next prime is 56467984155871. The reversal of 56467984155856 is 65855148976465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19391476620 + ... + 19391479531.

Almost surely, 2^{56467984155856} is an apocalyptic number.

56467984155856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56467984155856 is an abundant number, since it is smaller than the sum of its proper divisors (78186439603888).

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

56467984155856 is a wasteful number, since it uses less digits than its factorization.

56467984155856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38782956179 (or 38782956173 counting only the distinct ones).

The product of its digits is 8709120000, while the sum is 79.

The spelling of 56467984155856 in words is "fifty-six trillion, four hundred sixty-seven billion, nine hundred eighty-four million, one hundred fifty-five thousand, eight hundred fifty-six".