55110225 has 12 divisors (see below), whose sum is σ = 91115696. Its totient is φ = 29392080.

The previous prime is 55110221. The next prime is 55110233. The reversal of 55110225 is 52201155.

It is not a de Polignac number, because 55110225 - 2² = 55110221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55110221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367327 + ... + 367476.

Almost surely, 2^55110225 is an apocalyptic number.

It is an amenable number.

55110225 is a deficient number, since it is larger than the sum of its proper divisors (36005471).

55110225 is a wasteful number, since it uses less digits than its factorization.

55110225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734816 (or 734811 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 55110225 is about 7423.6261355216. The cubic root of 55110225 is about 380.5491253011.

The spelling of 55110225 in words is "fifty-five million, one hundred ten thousand, two hundred twenty-five".