55185534 has 12 divisors (see below), whose sum is σ = 119568696. Its totient is φ = 18395172.

The previous prime is 55185527. The next prime is 55185547. The reversal of 55185534 is 43558155.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1532914 + ... + 1532949.

It is an arithmetic number, because the mean of its divisors is an integer number (9964058).

Almost surely, 2^55185534 is an apocalyptic number.

55185534 is an abundant number, since it is smaller than the sum of its proper divisors (64383162).

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

55185534 is a wasteful number, since it uses less digits than its factorization.

55185534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065871 (or 3065868 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 55185534 is about 7428.6966555379. The cubic root of 55185534 is about 380.7223885491.

The spelling of 55185534 in words is "fifty-five million, one hundred eighty-five thousand, five hundred thirty-four".