55198502205120 has 112 divisors (see below), whose sum is σ = 194728049476320. Its totient is φ = 14719600585728.

The previous prime is 55198502205103. The next prime is 55198502205163. The reversal of 55198502205120 is 2150220589155.

55198502205120 is a `hidden beast` number, since 5 + 5 + 1 + 98 + 502 + 2 + 0 + 51 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3194349127 + ... + 3194366406.

Almost surely, 2^{55198502205120} is an apocalyptic number.

It is an amenable number.

55198502205120 is an abundant number, since it is smaller than the sum of its proper divisors (139529547271200).

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

55198502205120 is a wasteful number, since it uses less digits than its factorization.

55198502205120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388715559 (or 6388715543 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 45.

The spelling of 55198502205120 in words is "fifty-five trillion, one hundred ninety-eight billion, five hundred two million, two hundred five thousand, one hundred twenty".