54816489 has 24 divisors (see below), whose sum is σ = 97452992. Its totient is φ = 28913760.

The previous prime is 54816481. The next prime is 54816493. The reversal of 54816489 is 98461845.

It is not a de Polignac number, because 54816489 - 2³ = 54816481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54816481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32647 + ... + 34284.

Almost surely, 2^54816489 is an apocalyptic number.

It is an amenable number.

54816489 is a deficient number, since it is larger than the sum of its proper divisors (42636503).

54816489 is a wasteful number, since it uses less digits than its factorization.

54816489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66957 (or 66954 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 54816489 is about 7403.8158404974. The cubic root of 54816489 is about 379.8718150285.

The spelling of 54816489 in words is "fifty-four million, eight hundred sixteen thousand, four hundred eighty-nine".