55198914 has 16 divisors (see below), whose sum is σ = 116208480. Its totient is φ = 17431200.

The previous prime is 55198889. The next prime is 55198921. The reversal of 55198914 is 41989155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241987 + ... + 242214.

It is an arithmetic number, because the mean of its divisors is an integer number (7263030).

Almost surely, 2^55198914 is an apocalyptic number.

55198914 is an abundant number, since it is smaller than the sum of its proper divisors (61009566).

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

55198914 is a wasteful number, since it uses less digits than its factorization.

55198914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484225.

The product of its digits is 64800, while the sum is 42.

The square root of 55198914 is about 7429.5971627000. The cubic root of 55198914 is about 380.7531553918.

The spelling of 55198914 in words is "fifty-five million, one hundred ninety-eight thousand, nine hundred fourteen".