54591256404 has 72 divisors (see below), whose sum is σ = 138411623168. Its totient is φ = 18142185600.

The previous prime is 54591256397. The next prime is 54591256411. The reversal of 54591256404 is 40465219545.

54591256404 is a `hidden beast` number, since 5 + 4 + 591 + 2 + 56 + 4 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (54591256397) and next prime (54591256411).

It is a super-2 number, since 2×54591256404² (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 54591256404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22965264 + ... + 22967640.

Almost surely, 2^54591256404 is an apocalyptic number.

It is an amenable number.

54591256404 is an abundant number, since it is smaller than the sum of its proper divisors (83820366764).

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

54591256404 is a wasteful number, since it uses less digits than its factorization.

54591256404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045 (or 4040 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 54591256404 in words is "fifty-four billion, five hundred ninety-one million, two hundred fifty-six thousand, four hundred four".