55050215052 has 144 divisors (see below), whose sum is σ = 151308622080. Its totient is φ = 15259399680.

The previous prime is 55050215039. The next prime is 55050215071. The reversal of 55050215052 is 25051205055.

It is a super-3 number, since 3×55050215052³ (a number of 33 digits) contains 333 as substring.

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, 27816199 + ... + 27818177.

It is an arithmetic number, because the mean of its divisors is an integer number (1050754320).

Almost surely, 2^55050215052 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 55050215052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75654311040).

55050215052 is an abundant number, since it is smaller than the sum of its proper divisors (96258407028).

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

55050215052 is a wasteful number, since it uses less digits than its factorization.

55050215052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The spelling of 55050215052 in words is "fifty-five billion, fifty million, two hundred fifteen thousand, fifty-two".