54139044 has 12 divisors (see below), whose sum is σ = 126324464. Its totient is φ = 18046344.

The previous prime is 54139031. The next prime is 54139069. The reversal of 54139044 is 44093145.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255782 + ... + 2255805.

Almost surely, 2^54139044 is an apocalyptic number.

It is an amenable number.

54139044 is an abundant number, since it is smaller than the sum of its proper divisors (72185420).

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

54139044 is a wasteful number, since it uses less digits than its factorization.

54139044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511594 (or 4511592 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 54139044 is about 7357.9238919684. The cubic root of 54139044 is about 378.3004525925.

The spelling of 54139044 in words is "fifty-four million, one hundred thirty-nine thousand, forty-four".