544555225 has 12 divisors (see below), whose sum is σ = 690953296. Its totient is φ = 425512080.

The previous prime is 544555213. The next prime is 544555241. The reversal of 544555225 is 522555445.

It is not a de Polignac number, because 544555225 - 2¹⁵ = 544522457 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252207 + ... + 254356.

Almost surely, 2^544555225 is an apocalyptic number.

It is an amenable number.

544555225 is a deficient number, since it is larger than the sum of its proper divisors (146398071).

544555225 is a wasteful number, since it uses less digits than its factorization.

544555225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506616 (or 506611 counting only the distinct ones).

The product of its digits is 200000, while the sum is 37.

The square root of 544555225 is about 23335.7070816378. The cubic root of 544555225 is about 816.6086510687.

The spelling of 544555225 in words is "five hundred forty-four million, five hundred fifty-five thousand, two hundred twenty-five".