54139810 has 16 divisors (see below), whose sum is σ = 100812600. Its totient is φ = 20909056.

The previous prime is 54139801. The next prime is 54139837. The reversal of 54139810 is 1893145.

54139810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39828721 + 14311089 = 6311^2 + 3783^2 .

It is a super-2 number, since 2×54139810² = 5862238053672200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 93055 + ... + 93634.

Almost surely, 2^54139810 is an apocalyptic number.

54139810 is a deficient number, since it is larger than the sum of its proper divisors (46672790).

54139810 is a wasteful number, since it uses less digits than its factorization.

54139810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186725.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 54139810 is about 7357.9759445108. The cubic root of 54139810 is about 378.3022367441.

The spelling of 54139810 in words is "fifty-four million, one hundred thirty-nine thousand, eight hundred ten".