54731289 has 8 divisors (see below), whose sum is σ = 73297440. Its totient is φ = 36326336.

The previous prime is 54731221. The next prime is 54731297. The reversal of 54731289 is 98213745.

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 54731289 - 2¹⁵ = 54698521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54731489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39504 + ... + 40865.

It is an arithmetic number, because the mean of its divisors is an integer number (9162180).

Almost surely, 2^54731289 is an apocalyptic number.

It is an amenable number.

54731289 is a deficient number, since it is larger than the sum of its proper divisors (18566151).

54731289 is a wasteful number, since it uses less digits than its factorization.

54731289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80599.

The product of its digits is 60480, while the sum is 39.

The square root of 54731289 is about 7398.0598132213. The cubic root of 54731289 is about 379.6749043189.

The spelling of 54731289 in words is "fifty-four million, seven hundred thirty-one thousand, two hundred eighty-nine".