54820225 has 24 divisors (see below), whose sum is σ = 72182880. Its totient is φ = 41184000.

The previous prime is 54820217. The next prime is 54820253. The reversal of 54820225 is 52202845.

It is not a de Polignac number, because 54820225 - 2³ = 54820217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54820193 and 54820202.

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, 61785 + ... + 62665.

It is an arithmetic number, because the mean of its divisors is an integer number (3007620).

Almost surely, 2^54820225 is an apocalyptic number.

It is an amenable number.

54820225 is a deficient number, since it is larger than the sum of its proper divisors (17362655).

54820225 is a wasteful number, since it uses less digits than its factorization.

54820225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 54820225 is about 7404.0681385303. The cubic root of 54820225 is about 379.8804448458.

The spelling of 54820225 in words is "fifty-four million, eight hundred twenty thousand, two hundred twenty-five".