2125906552 has 48 divisors (see below), whose sum is σ = 5058405720. Its totient is φ = 828273600.

The previous prime is 2125906543. The next prime is 2125906603. The reversal of 2125906552 is 2556095212.

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, 242199 + ... + 250822.

Almost surely, 2^2125906552 is an apocalyptic number.

2125906552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2125906552 is an abundant number, since it is smaller than the sum of its proper divisors (2932499168).

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

2125906552 is a wasteful number, since it uses less digits than its factorization.

2125906552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493052 (or 493041 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 2125906552 is about 46107.5541749939. The cubic root of 2125906552 is about 1285.8235929032.

The spelling of 2125906552 in words is "two billion, one hundred twenty-five million, nine hundred six thousand, five hundred fifty-two".