53030533 has 8 divisors (see below), whose sum is σ = 54025560. Its totient is φ = 52039680.

The previous prime is 53030519. The next prime is 53030573. The reversal of 53030533 is 33503035.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14615329 + 38415204 = 3823^2 + 6198^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53030533 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 (53030573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36933 + ... + 38341.

It is an arithmetic number, because the mean of its divisors is an integer number (6753195).

Almost surely, 2^53030533 is an apocalyptic number.

It is an amenable number.

53030533 is a deficient number, since it is larger than the sum of its proper divisors (995027).

53030533 is a wasteful number, since it uses less digits than its factorization.

53030533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087.

The product of its (nonzero) digits is 2025, while the sum is 22.

The square root of 53030533 is about 7282.2066023974. The cubic root of 53030533 is about 375.7006940735.

Adding to 53030533 its reverse (33503035), we get a palindrome (86533568).

The spelling of 53030533 in words is "fifty-three million, thirty thousand, five hundred thirty-three".