54531239 has 8 divisors (see below), whose sum is σ = 62798208. Its totient is φ = 46383480.

The previous prime is 54531221. The next prime is 54531241. The reversal of 54531239 is 93213545.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54531239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54531259) 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, 28817 + ... + 30650.

It is an arithmetic number, because the mean of its divisors is an integer number (7849776).

Almost surely, 2^54531239 is an apocalyptic number.

54531239 is a deficient number, since it is larger than the sum of its proper divisors (8266969).

54531239 is a wasteful number, since it uses less digits than its factorization.

54531239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59605.

The product of its digits is 16200, while the sum is 32.

The square root of 54531239 is about 7384.5269990704. The cubic root of 54531239 is about 379.2117524672.

The spelling of 54531239 in words is "fifty-four million, five hundred thirty-one thousand, two hundred thirty-nine".