53638811 has 2 divisors, whose sum is σ = 53638812. Its totient is φ = 53638810.

The previous prime is 53638801. The next prime is 53638813. The reversal of 53638811 is 11883635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53638811 - 2¹⁸ = 53376667 is a prime.

It is a Sophie Germain prime.

Together with 53638813, 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 (53638813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26819405 + 26819406.

It is an arithmetic number, because the mean of its divisors is an integer number (26819406).

Almost surely, 2^53638811 is an apocalyptic number.

53638811 is a deficient number, since it is larger than the sum of its proper divisors (1).

53638811 is an equidigital number, since it uses as much as digits as its factorization.

53638811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 53638811 is about 7323.8521967609. The cubic root of 53638811 is about 377.1317075295.

The spelling of 53638811 in words is "fifty-three million, six hundred thirty-eight thousand, eight hundred eleven".