55352225 has 12 divisors (see below), whose sum is σ = 72249840. Its totient is φ = 41950800.

The previous prime is 55352201. The next prime is 55352243. The reversal of 55352225 is 52225355.

55352225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55352225 - 2⁸ = 55351969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57791 + ... + 58740.

It is an arithmetic number, because the mean of its divisors is an integer number (6020820).

Almost surely, 2^55352225 is an apocalyptic number.

It is an amenable number.

55352225 is a deficient number, since it is larger than the sum of its proper divisors (16897615).

55352225 is a wasteful number, since it uses less digits than its factorization.

55352225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116560 (or 116555 counting only the distinct ones).

The product of its digits is 15000, while the sum is 29.

The square root of 55352225 is about 7439.9075935122. The cubic root of 55352225 is about 381.1053343457.

The spelling of 55352225 in words is "fifty-five million, three hundred fifty-two thousand, two hundred twenty-five".