55182942 has 24 divisors (see below), whose sum is σ = 121350216. Its totient is φ = 18119376.

The previous prime is 55182893. The next prime is 55182961. The reversal of 55182942 is 24928155.

It is a junction number, because it is equal to n+sod(n) for n = 55182897 and 55182906.

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, 21673 + ... + 24084.

It is an arithmetic number, because the mean of its divisors is an integer number (5056259).

Almost surely, 2^55182942 is an apocalyptic number.

55182942 is an abundant number, since it is smaller than the sum of its proper divisors (66167274).

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

55182942 is a wasteful number, since it uses less digits than its factorization.

55182942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45832 (or 45829 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 55182942 is about 7428.5221948918. The cubic root of 55182942 is about 380.7164277607.

The spelling of 55182942 in words is "fifty-five million, one hundred eighty-two thousand, nine hundred forty-two".