54989123 has 6 divisors (see below), whose sum is σ = 63966996. Its totient is φ = 47133492.

The previous prime is 54989069. The next prime is 54989149. The reversal of 54989123 is 32198945.

It is not a de Polignac number, because 54989123 - 2¹⁴ = 54972739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54989153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561065 + ... + 561162.

It is an arithmetic number, because the mean of its divisors is an integer number (10661166).

Almost surely, 2^54989123 is an apocalyptic number.

54989123 is a deficient number, since it is larger than the sum of its proper divisors (8977873).

54989123 is a wasteful number, since it uses less digits than its factorization.

54989123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122241 (or 1122234 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 54989123 is about 7415.4651236453. The cubic root of 54989123 is about 380.2701748998.

The spelling of 54989123 in words is "fifty-four million, nine hundred eighty-nine thousand, one hundred twenty-three".