55252560492100 has 144 divisors (see below), whose sum is σ = 121835284542720. Its totient is φ = 21745993651200.

The previous prime is 55252560492091. The next prime is 55252560492253. The reversal of 55252560492100 is 129406525255.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2843223984 + ... + 2843243416.

It is an arithmetic number, because the mean of its divisors is an integer number (846078364880).

Almost surely, 2^{55252560492100} is an apocalyptic number.

55252560492100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55252560492100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60917642271360).

55252560492100 is an abundant number, since it is smaller than the sum of its proper divisors (66582724050620).

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

55252560492100 is a wasteful number, since it uses less digits than its factorization.

55252560492100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20750 (or 20743 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 55252560492100 in words is "fifty-five trillion, two hundred fifty-two billion, five hundred sixty million, four hundred ninety-two thousand, one hundred".