53328817 has 2 divisors, whose sum is σ = 53328818. Its totient is φ = 53328816.

The previous prime is 53328811. The next prime is 53328827. The reversal of 53328817 is 71882335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47941776 + 5387041 = 6924^2 + 2321^2 .

It is a cyclic number.

It is not a de Polignac number, because 53328817 - 2³ = 53328809 is a prime.

It is not a weakly prime, because it can be changed into another prime (53328811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26664408 + 26664409.

It is an arithmetic number, because the mean of its divisors is an integer number (26664409).

Almost surely, 2^53328817 is an apocalyptic number.

It is an amenable number.

53328817 is a deficient number, since it is larger than the sum of its proper divisors (1).

53328817 is an equidigital number, since it uses as much as digits as its factorization.

53328817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 53328817 is about 7302.6582146503. The cubic root of 53328817 is about 376.4037861715.

It can be divided in two parts, 53328 and 817, that added together give a palindrome (54145).

The spelling of 53328817 in words is "fifty-three million, three hundred twenty-eight thousand, eight hundred seventeen".