54215396964 has 81 divisors (see below), whose sum is σ = 138496955961. Its totient is φ = 17882265600.

The previous prime is 54215396959. The next prime is 54215397059. The reversal of 54215396964 is 46969351245.

The square root of 54215396964 is 232842.

It is a perfect power (a square), and thus also a powerful number.

54215396964 is a `hidden beast` number, since 5 + 42 + 1 + 539 + 6 + 9 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53374860900 + 840536064 = 231030^2 + 28992^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54215396964.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 210954724 + ... + 210954980.

Almost surely, 2^54215396964 is an apocalyptic number.

54215396964 is the 232842-nd square number.

It is an amenable number.

54215396964 is an abundant number, since it is smaller than the sum of its proper divisors (84281558997).

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

54215396964 is a wasteful number, since it uses less digits than its factorization.

54215396964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 413 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The spelling of 54215396964 in words is "fifty-four billion, two hundred fifteen million, three hundred ninety-six thousand, nine hundred sixty-four".