53002811 has 2 divisors, whose sum is σ = 53002812. Its totient is φ = 53002810.

The previous prime is 53002783. The next prime is 53002813. The reversal of 53002811 is 11820035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53002811 is a prime.

Together with 53002813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53002813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26501405 + 26501406.

It is an arithmetic number, because the mean of its divisors is an integer number (26501406).

Almost surely, 2^53002811 is an apocalyptic number.

53002811 is a deficient number, since it is larger than the sum of its proper divisors (1).

53002811 is an equidigital number, since it uses as much as digits as its factorization.

53002811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 53002811 is about 7280.3029469933. The cubic root of 53002811 is about 375.6352161344.

Adding to 53002811 its reverse (11820035), we get a palindrome (64822846).

The spelling of 53002811 in words is "fifty-three million, two thousand, eight hundred eleven".