54618239 has 8 divisors (see below), whose sum is σ = 58884672. Its totient is φ = 50361120.

The previous prime is 54618227. The next prime is 54618271. The reversal of 54618239 is 93281645.

It is a happy number.

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-54618239 is a prime.

It is a super-2 number, since 2×54618239² = 5966304062922242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54618209) 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, 14297 + ... + 17709.

It is an arithmetic number, because the mean of its divisors is an integer number (7360584).

Almost surely, 2^54618239 is an apocalyptic number.

54618239 is a deficient number, since it is larger than the sum of its proper divisors (4266433).

54618239 is a wasteful number, since it uses less digits than its factorization.

54618239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657.

The product of its digits is 51840, while the sum is 38.

The square root of 54618239 is about 7390.4153469206. The cubic root of 54618239 is about 379.4133121212.

The spelling of 54618239 in words is "fifty-four million, six hundred eighteen thousand, two hundred thirty-nine".