2552661332 has 24 divisors (see below), whose sum is σ = 4864847400. Its totient is φ = 1164911616.

The previous prime is 2552661323. The next prime is 2552661439. The reversal of 2552661332 is 2331662552.

It can be written as a sum of positive squares in 4 ways, for example, as 282710596 + 2269950736 = 16814^2 + 47644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2552661292 and 2552661301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271157 + ... + 280412.

It is an arithmetic number, because the mean of its divisors is an integer number (202701975).

Almost surely, 2^2552661332 is an apocalyptic number.

It is an amenable number.

2552661332 is a deficient number, since it is larger than the sum of its proper divisors (2312186068).

2552661332 is a wasteful number, since it uses less digits than its factorization.

2552661332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551675 (or 551673 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 2552661332 is about 50523.8689334061. The cubic root of 2552661332 is about 1366.6723244131.

The spelling of 2552661332 in words is "two billion, five hundred fifty-two million, six hundred sixty-one thousand, three hundred thirty-two".