55325198 has 4 divisors (see below), whose sum is σ = 82987800. Its totient is φ = 27662598.

The previous prime is 55325177. The next prime is 55325203. The reversal of 55325198 is 89152355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89152355 = 5 ⋅17830471.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13831298 + ... + 13831301.

It is an arithmetic number, because the mean of its divisors is an integer number (20746950).

Almost surely, 2^55325198 is an apocalyptic number.

55325198 is a deficient number, since it is larger than the sum of its proper divisors (27662602).

55325198 is a wasteful number, since it uses less digits than its factorization.

55325198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27662601.

The product of its digits is 54000, while the sum is 38.

The square root of 55325198 is about 7438.0910185343. The cubic root of 55325198 is about 381.0432964255.

The spelling of 55325198 in words is "fifty-five million, three hundred twenty-five thousand, one hundred ninety-eight".