54445225 has 12 divisors (see below), whose sum is σ = 68439196. Its totient is φ = 42958080.

The previous prime is 54445217. The next prime is 54445229. The reversal of 54445225 is 52254445.

It can be written as a sum of positive squares in 6 ways, for example, as 1140624 + 53304601 = 1068^2 + 7301^2 .

It is not a de Polignac number, because 54445225 - 2³ = 54445217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54445229) 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, 13092 + ... + 16741.

Almost surely, 2^54445225 is an apocalyptic number.

It is an amenable number.

54445225 is a deficient number, since it is larger than the sum of its proper divisors (13993971).

54445225 is a wasteful number, since it uses less digits than its factorization.

54445225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29916 (or 29911 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 54445225 is about 7378.7007663951. The cubic root of 54445225 is about 379.0122662957.

The spelling of 54445225 in words is "fifty-four million, four hundred forty-five thousand, two hundred twenty-five".