52228528 has 20 divisors (see below), whose sum is σ = 110392488. Its totient is φ = 23740160.

The previous prime is 52228483. The next prime is 52228529. The reversal of 52228528 is 82582225.

52228528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 52228493 and 52228502.

It is not an unprimeable number, because it can be changed into a prime (52228529) 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, 148201 + ... + 148552.

Almost surely, 2^52228528 is an apocalyptic number.

It is an amenable number.

52228528 is an abundant number, since it is smaller than the sum of its proper divisors (58163960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52228528 is a wasteful number, since it uses less digits than its factorization.

52228528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296772 (or 296766 counting only the distinct ones).

The product of its digits is 25600, while the sum is 34.

The square root of 52228528 is about 7226.9307454825. The cubic root of 52228528 is about 373.7971008078.

The spelling of 52228528 in words is "fifty-two million, two hundred twenty-eight thousand, five hundred twenty-eight".