54123658884 has 18 divisors (see below), whose sum is σ = 136812582270. Its totient is φ = 18041219616.

The previous prime is 54123658859. The next prime is 54123658921. The reversal of 54123658884 is 48885632145.

54123658884 is a `hidden beast` number, since 54 + 1 + 2 + 3 + 6 + 588 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40557932100 + 13565726784 = 201390^2 + 116472^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 54123658884.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 751717449 + ... + 751717520.

It is an arithmetic number, because the mean of its divisors is an integer number (7600699015).

Almost surely, 2^54123658884 is an apocalyptic number.

It is an amenable number.

54123658884 is an abundant number, since it is smaller than the sum of its proper divisors (82688923386).

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

54123658884 is a wasteful number, since it uses less digits than its factorization.

54123658884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503434979 (or 1503434974 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 54.

The spelling of 54123658884 in words is "fifty-four billion, one hundred twenty-three million, six hundred fifty-eight thousand, eight hundred eighty-four".