52521633 has 12 divisors (see below), whose sum is σ = 75930660. Its totient is φ = 34983936.

The previous prime is 52521631. The next prime is 52521647. The reversal of 52521633 is 33612525.

52521633 is a `hidden beast` number, since 5 + 2 + 5 + 21 + 633 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8803089 + 43718544 = 2967^2 + 6612^2 .

It is not a de Polignac number, because 52521633 - 2¹ = 52521631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52521597 and 52521606.

It is not an unprimeable number, because it can be changed into a prime (52521631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14113 + ... + 17441.

It is an arithmetic number, because the mean of its divisors is an integer number (6327555).

Almost surely, 2^52521633 is an apocalyptic number.

It is an amenable number.

52521633 is a deficient number, since it is larger than the sum of its proper divisors (23409027).

52521633 is a wasteful number, since it uses less digits than its factorization.

52521633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088 (or 5085 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 52521633 is about 7247.1810381693. The cubic root of 52521633 is about 374.4950430211.

The spelling of 52521633 in words is "fifty-two million, five hundred twenty-one thousand, six hundred thirty-three".