53502533 has 4 divisors (see below), whose sum is σ = 61145760. Its totient is φ = 45859308.

The previous prime is 53502521. The next prime is 53502539. The reversal of 53502533 is 33520535.

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 53502533 - 2¹⁶ = 53436997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53502539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3821603 + ... + 3821616.

It is an arithmetic number, because the mean of its divisors is an integer number (15286440).

Almost surely, 2^53502533 is an apocalyptic number.

It is an amenable number.

53502533 is a deficient number, since it is larger than the sum of its proper divisors (7643227).

53502533 is an equidigital number, since it uses as much as digits as its factorization.

53502533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643226.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 53502533 is about 7314.5425694298. The cubic root of 53502533 is about 376.8120488038.

The spelling of 53502533 in words is "fifty-three million, five hundred two thousand, five hundred thirty-three".