56154389688 has 48 divisors (see below), whose sum is σ = 152224417800. Its totient is φ = 18700946880.

The previous prime is 56154389663. The next prime is 56154389699. The reversal of 56154389688 is 88698345165.

56154389688 is a `hidden beast` number, since 5 + 6 + 1 + 543 + 8 + 9 + 6 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278883 + ... + 435986.

Almost surely, 2^56154389688 is an apocalyptic number.

It is an amenable number.

56154389688 is an abundant number, since it is smaller than the sum of its proper divisors (96070028112).

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

56154389688 is a wasteful number, since it uses less digits than its factorization.

56154389688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715972 (or 715965 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

The spelling of 56154389688 in words is "fifty-six billion, one hundred fifty-four million, three hundred eighty-nine thousand, six hundred eighty-eight".