55833138 has 24 divisors (see below), whose sum is σ = 125453328. Its totient is φ = 18610884.

The previous prime is 55833109. The next prime is 55833157. The reversal of 55833138 is 83133855.

It is a Curzon 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, 56956 + ... + 57927.

It is an arithmetic number, because the mean of its divisors is an integer number (5227222).

Almost surely, 2^55833138 is an apocalyptic number.

55833138 is an abundant number, since it is smaller than the sum of its proper divisors (69620190).

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

55833138 is a wasteful number, since it uses less digits than its factorization.

55833138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114900 (or 114888 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 55833138 is about 7472.1575197529. The cubic root of 55833138 is about 382.2058638375.

The spelling of 55833138 in words is "fifty-five million, eight hundred thirty-three thousand, one hundred thirty-eight".