55236198 has 16 divisors (see below), whose sum is σ = 110755440. Its totient is φ = 18364896.

The previous prime is 55236197. The next prime is 55236199. The reversal of 55236198 is 89163255.

It is an interprime number because it is at equal distance from previous prime (55236197) and next prime (55236199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55236197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9213 + ... + 13976.

It is an arithmetic number, because the mean of its divisors is an integer number (6922215).

Almost surely, 2^55236198 is an apocalyptic number.

55236198 is an abundant number, since it is smaller than the sum of its proper divisors (55519242).

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

55236198 is a wasteful number, since it uses less digits than its factorization.

55236198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23591.

The product of its digits is 64800, while the sum is 39.

The square root of 55236198 is about 7432.1058926794. The cubic root of 55236198 is about 380.8388624259.

The spelling of 55236198 in words is "fifty-five million, two hundred thirty-six thousand, one hundred ninety-eight".