52697533 has 4 divisors (see below), whose sum is σ = 60225760. Its totient is φ = 45169308.

The previous prime is 52697497. The next prime is 52697543. The reversal of 52697533 is 33579625.

52697533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52697533 - 2¹⁷ = 52566461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52697543) 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, 3764103 + ... + 3764116.

It is an arithmetic number, because the mean of its divisors is an integer number (15056440).

Almost surely, 2^52697533 is an apocalyptic number.

It is an amenable number.

52697533 is a deficient number, since it is larger than the sum of its proper divisors (7528227).

52697533 is an equidigital number, since it uses as much as digits as its factorization.

52697533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528226.

The product of its digits is 170100, while the sum is 40.

The square root of 52697533 is about 7259.3066473321. The cubic root of 52697533 is about 374.9126504699.

The spelling of 52697533 in words is "fifty-two million, six hundred ninety-seven thousand, five hundred thirty-three".