54052239 has 4 divisors (see below), whose sum is σ = 72069656. Its totient is φ = 36034824.

The previous prime is 54052223. The next prime is 54052249. The reversal of 54052239 is 93225045.

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

It is not a de Polignac number, because 54052239 - 2⁴ = 54052223 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 (54052249) 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, 9008704 + ... + 9008709.

It is an arithmetic number, because the mean of its divisors is an integer number (18017414).

Almost surely, 2^54052239 is an apocalyptic number.

54052239 is a deficient number, since it is larger than the sum of its proper divisors (18017417).

54052239 is a wasteful number, since it uses less digits than its factorization.

54052239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18017416.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 54052239 is about 7352.0227828809. The cubic root of 54052239 is about 378.0981590492.

The spelling of 54052239 in words is "fifty-four million, fifty-two thousand, two hundred thirty-nine".