54992225 has 6 divisors (see below), whose sum is σ = 68190390. Its totient is φ = 43993760.

The previous prime is 54992219. The next prime is 54992239. The reversal of 54992225 is 52229945.

54992225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 19088161 + 35904064 = 4369^2 + 5992^2 .

It is a de Polignac number, because none of the positive numbers 2^k-54992225 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1099820 + ... + 1099869.

It is an arithmetic number, because the mean of its divisors is an integer number (11365065).

Almost surely, 2^54992225 is an apocalyptic number.

It is an amenable number.

54992225 is a deficient number, since it is larger than the sum of its proper divisors (13198165).

54992225 is a wasteful number, since it uses less digits than its factorization.

54992225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199699 (or 2199694 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 54992225 is about 7415.6742781759. The cubic root of 54992225 is about 380.2773252587.

The spelling of 54992225 in words is "fifty-four million, nine hundred ninety-two thousand, two hundred twenty-five".