54005238 has 32 divisors (see below), whose sum is σ = 137157120. Its totient is φ = 15429960.

The previous prime is 54005207. The next prime is 54005257. The reversal of 54005238 is 83250045.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71058 + ... + 71813.

It is an arithmetic number, because the mean of its divisors is an integer number (4286160).

Almost surely, 2^54005238 is an apocalyptic number.

54005238 is an abundant number, since it is smaller than the sum of its proper divisors (83151882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54005238 is a wasteful number, since it uses less digits than its factorization.

54005238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142889 (or 142883 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 54005238 is about 7348.8256204648. The cubic root of 54005238 is about 377.9885358075.

The spelling of 54005238 in words is "fifty-four million, five thousand, two hundred thirty-eight".