53020330 has 32 divisors (see below), whose sum is σ = 104727168. Its totient is φ = 19166400.

The previous prime is 53020307. The next prime is 53020361. The reversal of 53020330 is 3302035.

It is a super-2 number, since 2×53020330² = 5622310786617800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18579 + ... + 21241.

It is an arithmetic number, because the mean of its divisors is an integer number (3272724).

Almost surely, 2^53020330 is an apocalyptic number.

53020330 is a deficient number, since it is larger than the sum of its proper divisors (51706838).

53020330 is a wasteful number, since it uses less digits than its factorization.

53020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 53020330 is about 7281.5060255417. The cubic root of 53020330 is about 375.6765977663.

Adding to 53020330 its reverse (3302035), we get a palindrome (56322365).

The spelling of 53020330 in words is "fifty-three million, twenty thousand, three hundred thirty".