55118050 has 48 divisors (see below), whose sum is σ = 116242560. Its totient is φ = 19275840.

The previous prime is 55118047. The next prime is 55118071. The reversal of 55118050 is 5081155.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10119 + ... + 14581.

It is an arithmetic number, because the mean of its divisors is an integer number (2421720).

Almost surely, 2^55118050 is an apocalyptic number.

55118050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55118050 is an abundant number, since it is smaller than the sum of its proper divisors (61124510).

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

55118050 is a wasteful number, since it uses less digits than its factorization.

55118050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507 (or 4502 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 55118050 is about 7424.1531503600. The cubic root of 55118050 is about 380.5671356066.

The spelling of 55118050 in words is "fifty-five million, one hundred eighteen thousand, fifty".