53503228 has 6 divisors (see below), whose sum is σ = 93630656. Its totient is φ = 26751612.

The previous prime is 53503217. The next prime is 53503327. The reversal of 53503228 is 82230535.

53503228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53503196 and 53503205.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6687900 + ... + 6687907.

Almost surely, 2^53503228 is an apocalyptic number.

It is an amenable number.

53503228 is a deficient number, since it is larger than the sum of its proper divisors (40127428).

53503228 is a wasteful number, since it uses less digits than its factorization.

53503228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375811 (or 13375809 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 53503228 is about 7314.5900773728. The cubic root of 53503228 is about 376.8136803979.

The spelling of 53503228 in words is "fifty-three million, five hundred three thousand, two hundred twenty-eight".