55059138 has 24 divisors (see below), whose sum is σ = 120638700. Its totient is φ = 18146304.

The previous prime is 55059127. The next prime is 55059163. The reversal of 55059138 is 83195055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53626329 + 1432809 = 7323^2 + 1197^2 .

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, 15583 + ... + 18786.

Almost surely, 2^55059138 is an apocalyptic number.

55059138 is an abundant number, since it is smaller than the sum of its proper divisors (65579562).

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

55059138 is a wasteful number, since it uses less digits than its factorization.

55059138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34466 (or 34463 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 55059138 is about 7420.1844990539. The cubic root of 55059138 is about 380.4314996787.

The spelling of 55059138 in words is "fifty-five million, fifty-nine thousand, one hundred thirty-eight".