54502225 has 6 divisors (see below), whose sum is σ = 67582790. Its totient is φ = 43601760.

The previous prime is 54502213. The next prime is 54502237. The reversal of 54502225 is 52220545.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54502213) and next prime (54502237).

It can be written as a sum of positive squares in 3 ways, for example, as 1401856 + 53100369 = 1184^2 + 7287^2 .

It is not a de Polignac number, because 54502225 - 2¹⁷ = 54371153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2180089 = 54502225 / (5 + 4 + 5 + 0 + 2 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 54502225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1090020 + ... + 1090069.

Almost surely, 2^54502225 is an apocalyptic number.

It is an amenable number.

54502225 is a deficient number, since it is larger than the sum of its proper divisors (13080565).

54502225 is a wasteful number, since it uses less digits than its factorization.

54502225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180099 (or 2180094 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 54502225 is about 7382.5622245938. The cubic root of 54502225 is about 379.1444858149.

The spelling of 54502225 in words is "fifty-four million, five hundred two thousand, two hundred twenty-five".