54251289 has 20 divisors (see below), whose sum is σ = 85309840. Its totient is φ = 34263000.

The previous prime is 54251261. The next prime is 54251291. The reversal of 54251289 is 98215245.

It is not a de Polignac number, because 54251289 - 2²⁵ = 20696857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54251299) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16087 + ... + 19164.

It is an arithmetic number, because the mean of its divisors is an integer number (4265492).

Almost surely, 2^54251289 is an apocalyptic number.

It is an amenable number.

54251289 is a deficient number, since it is larger than the sum of its proper divisors (31058551).

54251289 is a wasteful number, since it uses less digits than its factorization.

54251289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35282 (or 35273 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 54251289 is about 7365.5474338300. The cubic root of 54251289 is about 378.5617121173.

The spelling of 54251289 in words is "fifty-four million, two hundred fifty-one thousand, two hundred eighty-nine".