2556433053 has 6 divisors (see below), whose sum is σ = 3692625534. Its totient is φ = 1704288696.

The previous prime is 2556433037. The next prime is 2556433057. The reversal of 2556433053 is 3503346552.

2556433053 is a `hidden beast` number, since 2 + 5 + 5 + 643 + 3 + 0 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2517831684 + 38601369 = 50178^2 + 6213^2 .

It is not a de Polignac number, because 2556433053 - 2⁴ = 2556433037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2556432999 and 2556433017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556433057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142024050 + ... + 142024067.

It is an arithmetic number, because the mean of its divisors is an integer number (615437589).

Almost surely, 2^2556433053 is an apocalyptic number.

It is an amenable number.

2556433053 is a deficient number, since it is larger than the sum of its proper divisors (1136192481).

2556433053 is a wasteful number, since it uses less digits than its factorization.

2556433053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284048123 (or 284048120 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The square root of 2556433053 is about 50561.1812856464. The cubic root of 2556433053 is about 1367.3451085280.

The spelling of 2556433053 in words is "two billion, five hundred fifty-six million, four hundred thirty-three thousand, fifty-three".