54494228979 has 20 divisors (see below), whose sum is σ = 81692643736. Its totient is φ = 36201098016.

The previous prime is 54494228953. The next prime is 54494228981. The reversal of 54494228979 is 97982249445.

54494228979 is a `hidden beast` number, since 5 + 449 + 42 + 2 + 89 + 79 = 666.

It is not a de Polignac number, because 54494228979 - 2¹¹ = 54494226931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54494228479) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1165714 + ... + 1211559.

Almost surely, 2^54494228979 is an apocalyptic number.

54494228979 is a deficient number, since it is larger than the sum of its proper divisors (27198414757).

54494228979 is a wasteful number, since it uses less digits than its factorization.

54494228979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377568 (or 2377559 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 54494228979 in words is "fifty-four billion, four hundred ninety-four million, two hundred twenty-eight thousand, nine hundred seventy-nine".