54123658885 has 8 divisors (see below), whose sum is σ = 67187990520. Its totient is φ = 41805860544.

The previous prime is 54123658859. The next prime is 54123658921. The reversal of 54123658885 is 58885632145.

It can be written as a sum of positive squares in 4 ways, for example, as 4995379684 + 49128279201 = 70678^2 + 221649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54123658885 - 2²³ = 54115270277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186633162 + ... + 186633451.

It is an arithmetic number, because the mean of its divisors is an integer number (8398498815).

Almost surely, 2^54123658885 is an apocalyptic number.

It is an amenable number.

54123658885 is a deficient number, since it is larger than the sum of its proper divisors (13064331635).

54123658885 is a wasteful number, since it uses less digits than its factorization.

54123658885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373266647.

The product of its digits is 9216000, while the sum is 55.

The spelling of 54123658885 in words is "fifty-four billion, one hundred twenty-three million, six hundred fifty-eight thousand, eight hundred eighty-five".