53280833 has 4 divisors (see below), whose sum is σ = 53808468. Its totient is φ = 52753200.

The previous prime is 53280823. The next prime is 53280841. The reversal of 53280833 is 33808235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38588944 + 14691889 = 6212^2 + 3833^2 .

It is a cyclic number.

It is not a de Polignac number, because 53280833 - 2¹⁶ = 53215297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53280833.

It is not an unprimeable number, because it can be changed into a prime (53280823) 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, 263666 + ... + 263867.

It is an arithmetic number, because the mean of its divisors is an integer number (13452117).

Almost surely, 2^53280833 is an apocalyptic number.

It is an amenable number.

53280833 is a deficient number, since it is larger than the sum of its proper divisors (527635).

53280833 is a wasteful number, since it uses less digits than its factorization.

53280833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527634.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 53280833 is about 7299.3720962834. The cubic root of 53280833 is about 376.2908592397.

The spelling of 53280833 in words is "fifty-three million, two hundred eighty thousand, eight hundred thirty-three".