53700811 has 2 divisors, whose sum is σ = 53700812. Its totient is φ = 53700810.

The previous prime is 53700809. The next prime is 53700827. The reversal of 53700811 is 11800735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53700811 - 2¹ = 53700809 is a prime.

Together with 53700809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53700011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26850405 + 26850406.

It is an arithmetic number, because the mean of its divisors is an integer number (26850406).

Almost surely, 2^53700811 is an apocalyptic number.

53700811 is a deficient number, since it is larger than the sum of its proper divisors (1).

53700811 is an equidigital number, since it uses as much as digits as its factorization.

53700811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 53700811 is about 7328.0837194999. The cubic root of 53700811 is about 377.2769578450.

The spelling of 53700811 in words is "fifty-three million, seven hundred thousand, eight hundred eleven".