54315992979 has 24 divisors (see below), whose sum is σ = 78918005712. Its totient is φ = 35997773760.

The previous prime is 54315992977. The next prime is 54315992981. The reversal of 54315992979 is 97929951345.

54315992979 is a `hidden beast` number, since 5 + 4 + 31 + 599 + 2 + 9 + 7 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (54315992977) and next prime (54315992981).

It is not a de Polignac number, because 54315992979 - 2¹ = 54315992977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54315992977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7403397 + ... + 7410729.

It is an arithmetic number, because the mean of its divisors is an integer number (3288250238).

Almost surely, 2^54315992979 is an apocalyptic number.

54315992979 is a deficient number, since it is larger than the sum of its proper divisors (24602012733).

54315992979 is a wasteful number, since it uses less digits than its factorization.

54315992979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12067 (or 12064 counting only the distinct ones).

The product of its digits is 27556200, while the sum is 63.

The spelling of 54315992979 in words is "fifty-four billion, three hundred fifteen million, nine hundred ninety-two thousand, nine hundred seventy-nine".