54402225 has 24 divisors (see below), whose sum is σ = 94681440. Its totient is φ = 27486720.

The previous prime is 54402211. The next prime is 54402233. The reversal of 54402225 is 52220445.

It is a happy number.

It is not a de Polignac number, because 54402225 - 2⁴ = 54402209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54402195 and 54402204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17664 + ... + 20513.

It is an arithmetic number, because the mean of its divisors is an integer number (3945060).

Almost surely, 2^54402225 is an apocalyptic number.

It is an amenable number.

54402225 is a deficient number, since it is larger than the sum of its proper divisors (40279215).

54402225 is a wasteful number, since it uses less digits than its factorization.

54402225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38209 (or 38204 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 54402225 is about 7375.7863987510. The cubic root of 54402225 is about 378.9124606663.

The spelling of 54402225 in words is "fifty-four million, four hundred two thousand, two hundred twenty-five".