54139278038 has 24 divisors (see below), whose sum is σ = 87729118200. Its totient is φ = 25045472768.

The previous prime is 54139278023. The next prime is 54139278059. The reversal of 54139278038 is 83087293145.

It is a super-2 number, since 2×54139278038² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759683 + ... + 827886.

It is an arithmetic number, because the mean of its divisors is an integer number (3655379925).

Almost surely, 2^54139278038 is an apocalyptic number.

54139278038 is a deficient number, since it is larger than the sum of its proper divisors (33589840162).

54139278038 is a wasteful number, since it uses less digits than its factorization.

54139278038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587664 (or 1587647 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 54139278038 in words is "fifty-four billion, one hundred thirty-nine million, two hundred seventy-eight thousand, thirty-eight".