2556511052 has 12 divisors (see below), whose sum is σ = 4477627896. Its totient is φ = 1277188800.

The previous prime is 2556511033. The next prime is 2556511057. The reversal of 2556511052 is 2501156552.

It is not an unprimeable number, because it can be changed into a prime (2556511057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261278 + ... + 270885.

It is an arithmetic number, because the mean of its divisors is an integer number (373135658).

Almost surely, 2^2556511052 is an apocalyptic number.

It is an amenable number.

2556511052 is a deficient number, since it is larger than the sum of its proper divisors (1921116844).

2556511052 is a wasteful number, since it uses less digits than its factorization.

2556511052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533368 (or 533366 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 2556511052 is about 50561.9526126118. The cubic root of 2556511052 is about 1367.3590146835.

The spelling of 2556511052 in words is "two billion, five hundred fifty-six million, five hundred eleven thousand, fifty-two".