5256653553 has 12 divisors (see below), whose sum is σ = 7617362688. Its totient is φ = 3493165560.

The previous prime is 5256653533. The next prime is 5256653561. The reversal of 5256653553 is 3553566525.

It is a happy number.

5256653553 is a `hidden beast` number, since 5 + 2 + 5 + 66 + 535 + 53 = 666.

It is not a de Polignac number, because 5256653553 - 2⁹ = 5256653041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5256653499 and 5256653508.

It is not an unprimeable number, because it can be changed into a prime (5256653503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 936225 + ... + 941822.

It is an arithmetic number, because the mean of its divisors is an integer number (634780224).

Almost surely, 2^5256653553 is an apocalyptic number.

It is an amenable number.

5256653553 is a deficient number, since it is larger than the sum of its proper divisors (2360709135).

5256653553 is a wasteful number, since it uses less digits than its factorization.

5256653553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878364 (or 1878361 counting only the distinct ones).

The product of its digits is 2025000, while the sum is 45.

The square root of 5256653553 is about 72502.7830707208. The cubic root of 5256653553 is about 1738.7472324128.

The spelling of 5256653553 in words is "five billion, two hundred fifty-six million, six hundred fifty-three thousand, five hundred fifty-three".