55958198 has 16 divisors (see below), whose sum is σ = 84942864. Its totient is φ = 27646080.

The previous prime is 55958183. The next prime is 55958207. The reversal of 55958198 is 89185955.

It is a congruent number.

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, 90386 + ... + 91002.

It is an arithmetic number, because the mean of its divisors is an integer number (5308929).

Almost surely, 2^55958198 is an apocalyptic number.

55958198 is a deficient number, since it is larger than the sum of its proper divisors (28984666).

55958198 is a wasteful number, since it uses less digits than its factorization.

55958198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its digits is 648000, while the sum is 50.

The square root of 55958198 is about 7480.5212385234. The cubic root of 55958198 is about 382.4910172040.

The spelling of 55958198 in words is "fifty-five million, nine hundred fifty-eight thousand, one hundred ninety-eight".