54166976644 has 81 divisors (see below), whose sum is σ = 106395297253. Its totient is φ = 24111656800.

The previous prime is 54166976641. The next prime is 54166976653. The reversal of 54166976644 is 44667966145.

The square root of 54166976644 is 232738.

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

It can be written as a sum of positive squares in only one way, i.e., 6346034244 + 47820942400 = 79662^2 + 218680^2 .

It is a super-2 number, since 2×54166976644² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54166976641) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 363536682 + ... + 363536830.

Almost surely, 2^54166976644 is an apocalyptic number.

54166976644 is the 232738-th square number.

It is an amenable number.

54166976644 is a deficient number, since it is larger than the sum of its proper divisors (52228320609).

54166976644 is a wasteful number, since it uses less digits than its factorization.

54166976644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 233 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 58.

The spelling of 54166976644 in words is "fifty-four billion, one hundred sixty-six million, nine hundred seventy-six thousand, six hundred forty-four".