53817233 has 2 divisors, whose sum is σ = 53817234. Its totient is φ = 53817232.

The previous prime is 53817199. The next prime is 53817293. The reversal of 53817233 is 33271835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53699584 + 117649 = 7328^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 53817233 - 2⁸ = 53816977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53817233.

It is not a weakly prime, because it can be changed into another prime (53817293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26908616 + 26908617.

It is an arithmetic number, because the mean of its divisors is an integer number (26908617).

Almost surely, 2^53817233 is an apocalyptic number.

It is an amenable number.

53817233 is a deficient number, since it is larger than the sum of its proper divisors (1).

53817233 is an equidigital number, since it uses as much as digits as its factorization.

53817233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 53817233 is about 7336.0229688844. The cubic root of 53817233 is about 377.5494033555.

It can be divided in two parts, 538 and 17233, that added together give a palindrome (17771).

The spelling of 53817233 in words is "fifty-three million, eight hundred seventeen thousand, two hundred thirty-three".