55433225 has 6 divisors (see below), whose sum is σ = 68737230. Its totient is φ = 44346560.

The previous prime is 55433221. The next prime is 55433227. The reversal of 55433225 is 52233455.

It can be written as a sum of positive squares in 3 ways, for example, as 139129 + 55294096 = 373^2 + 7436^2 .

It is not a de Polignac number, because 55433225 - 2² = 55433221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55433221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1108640 + ... + 1108689.

It is an arithmetic number, because the mean of its divisors is an integer number (11456205).

Almost surely, 2^55433225 is an apocalyptic number.

It is an amenable number.

55433225 is a deficient number, since it is larger than the sum of its proper divisors (13304005).

55433225 is a wasteful number, since it uses less digits than its factorization.

55433225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217339 (or 2217334 counting only the distinct ones).

The product of its digits is 18000, while the sum is 29.

The square root of 55433225 is about 7445.3492194792. The cubic root of 55433225 is about 381.2911413096.

The spelling of 55433225 in words is "fifty-five million, four hundred thirty-three thousand, two hundred twenty-five".