54403225 has 6 divisors (see below), whose sum is σ = 67460030. Its totient is φ = 43522560.

The previous prime is 54403201. The next prime is 54403231. The reversal of 54403225 is 52230445.

It can be written as a sum of positive squares in 3 ways, for example, as 16801801 + 37601424 = 4099^2 + 6132^2 .

It is not a de Polignac number, because 54403225 - 2¹¹ = 54401177 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: 2176129 = 54403225 / (5 + 4 + 4 + 0 + 3 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 54403225.

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, 1088040 + ... + 1088089.

Almost surely, 2^54403225 is an apocalyptic number.

It is an amenable number.

54403225 is a deficient number, since it is larger than the sum of its proper divisors (13056805).

54403225 is a wasteful number, since it uses less digits than its factorization.

54403225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176139 (or 2176134 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 54403225 is about 7375.8541878212. The cubic root of 54403225 is about 378.9147823246.

The spelling of 54403225 in words is "fifty-four million, four hundred three thousand, two hundred twenty-five".