52528636 has 12 divisors (see below), whose sum is σ = 92071728. Its totient is φ = 26222432.

The previous prime is 52528633. The next prime is 52528643. The reversal of 52528636 is 63682525.

It is a happy number.

52528636 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 = 52528595 and 52528604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52528631) 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, 7561 + ... + 12736.

It is an arithmetic number, because the mean of its divisors is an integer number (7672644).

Almost surely, 2^52528636 is an apocalyptic number.

It is an amenable number.

52528636 is a deficient number, since it is larger than the sum of its proper divisors (39543092).

52528636 is a wasteful number, since it uses less digits than its factorization.

52528636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20948 (or 20946 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 52528636 is about 7247.6641754430. The cubic root of 52528636 is about 374.5116867802.

It can be divided in two parts, 525 and 28636, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 52528636 in words is "fifty-two million, five hundred twenty-eight thousand, six hundred thirty-six".