55198602 has 12 divisors (see below), whose sum is σ = 119597010. Its totient is φ = 18399528.

The previous prime is 55198589. The next prime is 55198603. The reversal of 55198602 is 20689155.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54774801 + 423801 = 7401^2 + 651^2 .

It is not an unprimeable number, because it can be changed into a prime (55198603) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 1533277 + ... + 1533312.

Almost surely, 2^55198602 is an apocalyptic number.

55198602 is an abundant number, since it is smaller than the sum of its proper divisors (64398408).

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

55198602 is a wasteful number, since it uses less digits than its factorization.

55198602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066597 (or 3066594 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 55198602 is about 7429.5761655696. The cubic root of 55198602 is about 380.7524380153.

The spelling of 55198602 in words is "fifty-five million, one hundred ninety-eight thousand, six hundred two".