53333530 has 8 divisors (see below), whose sum is σ = 96000372. Its totient is φ = 21333408.

The previous prime is 53333521. The next prime is 53333531. The reversal of 53333530 is 3533335.

It can be written as a sum of positive squares in 2 ways, for example, as 51251281 + 2082249 = 7159^2 + 1443^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 53333495 and 53333504.

It is not an unprimeable number, because it can be changed into a prime (53333531) 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, 2666667 + ... + 2666686.

Almost surely, 2^53333530 is an apocalyptic number.

53333530 is a deficient number, since it is larger than the sum of its proper divisors (42666842).

53333530 is a wasteful number, since it uses less digits than its factorization.

53333530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333360.

The product of its (nonzero) digits is 6075, while the sum is 25.

The square root of 53333530 is about 7302.9808982360. The cubic root of 53333530 is about 376.4148742279.

Adding to 53333530 its reverse (3533335), we get a palindrome (56866865).

The spelling of 53333530 in words is "fifty-three million, three hundred thirty-three thousand, five hundred thirty".