56431584078 has 16 divisors (see below), whose sum is σ = 113177554560. Its totient is φ = 18758130296.

The previous prime is 56431584061. The next prime is 56431584089. The reversal of 56431584078 is 87048513465.

56431584078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56431584078² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56431584078.

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, 13097100 + ... + 13101407.

It is an arithmetic number, because the mean of its divisors is an integer number (7073597160).

Almost surely, 2^56431584078 is an apocalyptic number.

56431584078 is an abundant number, since it is smaller than the sum of its proper divisors (56745970482).

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

56431584078 is a wasteful number, since it uses less digits than its factorization.

56431584078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26198871.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 56431584078 in words is "fifty-six billion, four hundred thirty-one million, five hundred eighty-four thousand, seventy-eight".