53225428 has 12 divisors (see below), whose sum is σ = 94671892. Its totient is φ = 26176320.

The previous prime is 53225423. The next prime is 53225429. The reversal of 53225428 is 82452235.

53225428 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 2 ways, for example, as 19909444 + 33315984 = 4462^2 + 5772^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53225428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53225423) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 108825 + ... + 109312.

Almost surely, 2^53225428 is an apocalyptic number.

It is an amenable number.

53225428 is a deficient number, since it is larger than the sum of its proper divisors (41446464).

53225428 is a wasteful number, since it uses less digits than its factorization.

53225428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218202 (or 218200 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 53225428 is about 7295.5759196927. The cubic root of 53225428 is about 376.1603831405.

The spelling of 53225428 in words is "fifty-three million, two hundred twenty-five thousand, four hundred twenty-eight".