53845133 has 2 divisors, whose sum is σ = 53845134. Its totient is φ = 53845132.

The previous prime is 53845117. The next prime is 53845157. The reversal of 53845133 is 33154835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47306884 + 6538249 = 6878^2 + 2557^2 .

It is a cyclic number.

It is not a de Polignac number, because 53845133 - 2⁴ = 53845117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53845133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53845163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26922566 + 26922567.

It is an arithmetic number, because the mean of its divisors is an integer number (26922567).

Almost surely, 2^53845133 is an apocalyptic number.

It is an amenable number.

53845133 is a deficient number, since it is larger than the sum of its proper divisors (1).

53845133 is an equidigital number, since it uses as much as digits as its factorization.

53845133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 53845133 is about 7337.9242977834. The cubic root of 53845133 is about 377.6146353020.

Adding to 53845133 its reverse (33154835), we get a palindrome (86999968).

The spelling of 53845133 in words is "fifty-three million, eight hundred forty-five thousand, one hundred thirty-three".