5255557 has 4 divisors (see below), whose sum is σ = 5309836. Its totient is φ = 5201280.

The previous prime is 5255531. The next prime is 5255561. The reversal of 5255557 is 7555525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 799236 + 4456321 = 894^2 + 2111^2 .

It is a cyclic number.

It is not a de Polignac number, because 5255557 - 2⁷ = 5255429 is a prime.

It is the 2293-rd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255507) by changing a digit.

It is a nontrivial repunit in base 2292.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26994 + ... + 27187.

It is an arithmetic number, because the mean of its divisors is an integer number (1327459).

Almost surely, 2^5255557 is an apocalyptic number.

It is an amenable number.

5255557 is a deficient number, since it is larger than the sum of its proper divisors (54279).

5255557 is an equidigital number, since it uses as much as digits as its factorization.

5255557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54278.

The product of its digits is 43750, while the sum is 34.

The square root of 5255557 is about 2292.5001635769. The cubic root of 5255557 is about 173.8626321453.

Subtracting 5255557 from its reverse (7555525), we obtain a cube (2299968 = 132³).

The spelling of 5255557 in words is "five million, two hundred fifty-five thousand, five hundred fifty-seven".