2112575550 has 72 divisors (see below), whose sum is σ = 5565617736. Its totient is φ = 530204160.

The previous prime is 2112575527. The next prime is 2112575573. The reversal of 2112575550 is 555752112.

It is an interprime number because it is at equal distance from previous prime (2112575527) and next prime (2112575573).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18984 + ... + 67716.

Almost surely, 2^2112575550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112575550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782808868).

2112575550 is an abundant number, since it is smaller than the sum of its proper divisors (3453042186).

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

2112575550 is a wasteful number, since it uses less digits than its factorization.

2112575550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48782 (or 48760 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 33.

The square root of 2112575550 is about 45962.7626454285. The cubic root of 2112575550 is about 1283.1302679019.

The spelling of 2112575550 in words is "two billion, one hundred twelve million, five hundred seventy-five thousand, five hundred fifty".