55198088 has 16 divisors (see below), whose sum is σ = 112905360. Its totient is φ = 25090000.

The previous prime is 55198081. The next prime is 55198103. The reversal of 55198088 is 88089155.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (55198081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313538 + ... + 313713.

It is an arithmetic number, because the mean of its divisors is an integer number (7056585).

Almost surely, 2^55198088 is an apocalyptic number.

It is an amenable number.

55198088 is an abundant number, since it is smaller than the sum of its proper divisors (57707272).

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

55198088 is a wasteful number, since it uses less digits than its factorization.

55198088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627268 (or 627264 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 44.

The square root of 55198088 is about 7429.5415740138. The cubic root of 55198088 is about 380.7512561776.

The spelling of 55198088 in words is "fifty-five million, one hundred ninety-eight thousand, eighty-eight".