54359239 has 4 divisors (see below), whose sum is σ = 59301000. Its totient is φ = 49417480.

The previous prime is 54359197. The next prime is 54359293. The reversal of 54359239 is 93295345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54359239 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54359299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2470864 + ... + 2470885.

It is an arithmetic number, because the mean of its divisors is an integer number (14825250).

Almost surely, 2^54359239 is an apocalyptic number.

54359239 is a deficient number, since it is larger than the sum of its proper divisors (4941761).

54359239 is a wasteful number, since it uses less digits than its factorization.

54359239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941760.

The product of its digits is 145800, while the sum is 40.

The square root of 54359239 is about 7372.8718285347. The cubic root of 54359239 is about 378.8126349520.

The spelling of 54359239 in words is "fifty-four million, three hundred fifty-nine thousand, two hundred thirty-nine".