54042939 has 12 divisors (see below), whose sum is σ = 81456336. Its totient is φ = 34462032.

The previous prime is 54042931. The next prime is 54042941. The reversal of 54042939 is 93924045.

54042939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54042939 - 2³ = 54042931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54042931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130332 + ... + 130745.

It is an arithmetic number, because the mean of its divisors is an integer number (6788028).

Almost surely, 2^54042939 is an apocalyptic number.

54042939 is a deficient number, since it is larger than the sum of its proper divisors (27413397).

54042939 is a wasteful number, since it uses less digits than its factorization.

54042939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261106 (or 261103 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 54042939 is about 7351.3902766756. The cubic root of 54042939 is about 378.0764731478.

The spelling of 54042939 in words is "fifty-four million, forty-two thousand, nine hundred thirty-nine".