52306533 has 16 divisors (see below), whose sum is σ = 79295040. Its totient is φ = 34059312.

The previous prime is 52306511. The next prime is 52306543. The reversal of 52306533 is 33560325.

52306533 is a `hidden beast` number, since 5 + 2 + 3 + 0 + 653 + 3 = 666.

It is not a de Polignac number, because 52306533 - 2⁶ = 52306469 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52306497 and 52306506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52306543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21366 + ... + 23687.

It is an arithmetic number, because the mean of its divisors is an integer number (4955940).

Almost surely, 2^52306533 is an apocalyptic number.

It is an amenable number.

52306533 is a deficient number, since it is larger than the sum of its proper divisors (26988507).

52306533 is a wasteful number, since it uses less digits than its factorization.

52306533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45105 (or 45099 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 52306533 is about 7232.3255595970. The cubic root of 52306533 is about 373.9831009360.

Adding to 52306533 its reverse (33560325), we get a palindrome (85866858).

The spelling of 52306533 in words is "fifty-two million, three hundred six thousand, five hundred thirty-three".