55499196930216 has 128 divisors (see below), whose sum is σ = 149760826750080. Its totient is φ = 17037838734336.

The previous prime is 55499196930173. The next prime is 55499196930227. The reversal of 55499196930216 is 61203969199455.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1334190730 + ... + 1334232326.

It is an arithmetic number, because the mean of its divisors is an integer number (1170006458985).

Almost surely, 2^{55499196930216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55499196930216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74880413375040).

55499196930216 is an abundant number, since it is smaller than the sum of its proper divisors (94261629819864).

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

55499196930216 is a wasteful number, since it uses less digits than its factorization.

55499196930216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51243 (or 51239 counting only the distinct ones).

The product of its (nonzero) digits is 141717600, while the sum is 69.

The spelling of 55499196930216 in words is "fifty-five trillion, four hundred ninety-nine billion, one hundred ninety-six million, nine hundred thirty thousand, two hundred sixteen".