2561050552 has 32 divisors (see below), whose sum is σ = 5183546400. Its totient is φ = 1182611584.

The previous prime is 2561050549. The next prime is 2561050553. The reversal of 2561050552 is 2550501652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561050553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234643 + ... + 245314.

It is an arithmetic number, because the mean of its divisors is an integer number (161985825).

Almost surely, 2^2561050552 is an apocalyptic number.

It is an amenable number.

2561050552 is an abundant number, since it is smaller than the sum of its proper divisors (2622495848).

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

2561050552 is a wasteful number, since it uses less digits than its factorization.

2561050552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480015 (or 480011 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 2561050552 is about 50606.8231763267. The cubic root of 2561050552 is about 1368.1678586928.

The spelling of 2561050552 in words is "two billion, five hundred sixty-one million, fifty thousand, five hundred fifty-two".