5256553 has 16 divisors (see below), whose sum is σ = 5852304. Its totient is φ = 4700160.

The previous prime is 5256547. The next prime is 5256583. The reversal of 5256553 is 3556525.

It can be written as a sum of positive squares in 8 ways, for example, as 71824 + 5184729 = 268^2 + 2277^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5256553 is a prime.

It is an Ulam number.

It is a Duffinian number.

5256553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5256583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38301 + ... + 38437.

It is an arithmetic number, because the mean of its divisors is an integer number (365769).

Almost surely, 2^5256553 is an apocalyptic number.

It is an amenable number.

5256553 is a deficient number, since it is larger than the sum of its proper divisors (595751).

5256553 is a wasteful number, since it uses less digits than its factorization.

5256553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its digits is 22500, while the sum is 31.

The square root of 5256553 is about 2292.7173833685. The cubic root of 5256553 is about 173.8736145678.

The spelling of 5256553 in words is "five million, two hundred fifty-six thousand, five hundred fifty-three".