55751198 has 4 divisors (see below), whose sum is σ = 83626800. Its totient is φ = 27875598.

The previous prime is 55751167. The next prime is 55751207. The reversal of 55751198 is 89115755.

55751198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13937798 + ... + 13937801.

It is an arithmetic number, because the mean of its divisors is an integer number (20906700).

Almost surely, 2^55751198 is an apocalyptic number.

55751198 is a deficient number, since it is larger than the sum of its proper divisors (27875602).

55751198 is a wasteful number, since it uses less digits than its factorization.

55751198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27875601.

The product of its digits is 63000, while the sum is 41.

The square root of 55751198 is about 7466.6724851168. The cubic root of 55751198 is about 382.0187988154.

The spelling of 55751198 in words is "fifty-five million, seven hundred fifty-one thousand, one hundred ninety-eight".