55170665200 has 60 divisors (see below), whose sum is σ = 151482891280. Its totient is φ = 18915655680.

The previous prime is 55170665189. The next prime is 55170665213. The reversal of 55170665200 is 256607155.

55170665200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55170665200² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55170665200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9849105 + ... + 9854704.

Almost surely, 2^55170665200 is an apocalyptic number.

55170665200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55170665200 is an abundant number, since it is smaller than the sum of its proper divisors (96312226080).

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

55170665200 is a wasteful number, since it uses less digits than its factorization.

55170665200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19703834 (or 19703823 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 55170665200 in words is "fifty-five billion, one hundred seventy million, six hundred sixty-five thousand, two hundred".