55326225 has 12 divisors (see below), whose sum is σ = 91472816. Its totient is φ = 29507280.

The previous prime is 55326221. The next prime is 55326239. The reversal of 55326225 is 52262355.

It is not a de Polignac number, because 55326225 - 2² = 55326221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55326192 and 55326201.

It is not an unprimeable number, because it can be changed into a prime (55326221) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 368767 + ... + 368916.

Almost surely, 2^55326225 is an apocalyptic number.

It is an amenable number.

55326225 is a deficient number, since it is larger than the sum of its proper divisors (36146591).

55326225 is a wasteful number, since it uses less digits than its factorization.

55326225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737696 (or 737691 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 55326225 is about 7438.1600547447. The cubic root of 55326225 is about 381.0456541760.

The spelling of 55326225 in words is "fifty-five million, three hundred twenty-six thousand, two hundred twenty-five".