52690811 has 2 divisors, whose sum is σ = 52690812. Its totient is φ = 52690810.

The previous prime is 52690787. The next prime is 52690829. The reversal of 52690811 is 11809625.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52690811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52690831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26345405 + 26345406.

It is an arithmetic number, because the mean of its divisors is an integer number (26345406).

Almost surely, 2^52690811 is an apocalyptic number.

52690811 is a deficient number, since it is larger than the sum of its proper divisors (1).

52690811 is an equidigital number, since it uses as much as digits as its factorization.

52690811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 52690811 is about 7258.8436406910. The cubic root of 52690811 is about 374.8967087369.

The spelling of 52690811 in words is "fifty-two million, six hundred ninety thousand, eight hundred eleven".