56816685454 has 8 divisors (see below), whose sum is σ = 89710556040. Its totient is φ = 26913166776.

The previous prime is 56816685437. The next prime is 56816685461. The reversal of 56816685454 is 45458661865.

56816685454 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 a super-2 number, since 2×56816685454² (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 3 ways as a sum of consecutive naturals, for example, 747587929 + ... + 747588004.

It is an arithmetic number, because the mean of its divisors is an integer number (11213819505).

Almost surely, 2^56816685454 is an apocalyptic number.

56816685454 is a deficient number, since it is larger than the sum of its proper divisors (32893870586).

56816685454 is a wasteful number, since it uses less digits than its factorization.

56816685454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495175954.

The product of its digits is 27648000, while the sum is 58.

The spelling of 56816685454 in words is "fifty-six billion, eight hundred sixteen million, six hundred eighty-five thousand, four hundred fifty-four".