55898118 has 12 divisors (see below), whose sum is σ = 121112628. Its totient is φ = 18632700.

The previous prime is 55898113. The next prime is 55898131. The reversal of 55898118 is 81189855.

55898118 is a `hidden beast` number, since 558 + 9 + 81 + 18 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55898111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1552708 + ... + 1552743.

It is an arithmetic number, because the mean of its divisors is an integer number (10092719).

Almost surely, 2^55898118 is an apocalyptic number.

55898118 is an abundant number, since it is smaller than the sum of its proper divisors (65214510).

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

55898118 is a wasteful number, since it uses less digits than its factorization.

55898118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105459 (or 3105456 counting only the distinct ones).

The product of its digits is 115200, while the sum is 45.

The square root of 55898118 is about 7476.5043971097. The cubic root of 55898118 is about 382.3540799289.

The spelling of 55898118 in words is "fifty-five million, eight hundred ninety-eight thousand, one hundred eighteen".