55255825 has 6 divisors (see below), whose sum is σ = 68517254. Its totient is φ = 44204640.

The previous prime is 55255751. The next prime is 55255841. The reversal of 55255825 is 52855255.

It can be written as a sum of positive squares in 3 ways, for example, as 2359296 + 52896529 = 1536^2 + 7273^2 .

It is not a de Polignac number, because 55255825 - 2²³ = 46867217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1105092 + ... + 1105141.

Almost surely, 2^55255825 is an apocalyptic number.

It is an amenable number.

55255825 is a deficient number, since it is larger than the sum of its proper divisors (13261429).

55255825 is a wasteful number, since it uses less digits than its factorization.

55255825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210243 (or 2210238 counting only the distinct ones).

The product of its digits is 100000, while the sum is 37.

The square root of 55255825 is about 7433.4261952346. The cubic root of 55255825 is about 380.8839647288.

The spelling of 55255825 in words is "fifty-five million, two hundred fifty-five thousand, eight hundred twenty-five".