53311033 has 12 divisors (see below), whose sum is σ = 56140560. Its totient is φ = 50618216.

The previous prime is 53311021. The next prime is 53311081. The reversal of 53311033 is 33011335.

It is not a de Polignac number, because 53311033 - 2⁵ = 53311001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53311033.

It is not an unprimeable number, because it can be changed into a prime (53311733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94410 + ... + 94972.

It is an arithmetic number, because the mean of its divisors is an integer number (4678380).

Almost surely, 2^53311033 is an apocalyptic number.

It is an amenable number.

53311033 is a deficient number, since it is larger than the sum of its proper divisors (2829527).

53311033 is a wasteful number, since it uses less digits than its factorization.

53311033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 53311033 is about 7301.4404743174. The cubic root of 53311033 is about 376.3619406957.

Adding to 53311033 its reverse (33011335), we get a palindrome (86322368).

The spelling of 53311033 in words is "fifty-three million, three hundred eleven thousand, thirty-three".