55198107 has 24 divisors (see below), whose sum is σ = 83856240. Its totient is φ = 34937280.

The previous prime is 55198103. The next prime is 55198109. The reversal of 55198107 is 70189155.

55198107 is a `hidden beast` number, since 551 + 98 + 10 + 7 = 666.

It is not a de Polignac number, because 55198107 - 2² = 55198103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55198103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14188 + ... + 17654.

It is an arithmetic number, because the mean of its divisors is an integer number (3494010).

Almost surely, 2^55198107 is an apocalyptic number.

55198107 is a deficient number, since it is larger than the sum of its proper divisors (28658133).

55198107 is a wasteful number, since it uses less digits than its factorization.

55198107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563 (or 3560 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 55198107 is about 7429.5428526929. The cubic root of 55198107 is about 380.7512998643.

The spelling of 55198107 in words is "fifty-five million, one hundred ninety-eight thousand, one hundred seven".