53560811 has 2 divisors, whose sum is σ = 53560812. Its totient is φ = 53560810.

The previous prime is 53560807. The next prime is 53560831. The reversal of 53560811 is 11806535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53560811 - 2² = 53560807 is a prime.

It is not a weakly prime, because it can be changed into another prime (53560831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26780405 + 26780406.

It is an arithmetic number, because the mean of its divisors is an integer number (26780406).

Almost surely, 2^53560811 is an apocalyptic number.

53560811 is a deficient number, since it is larger than the sum of its proper divisors (1).

53560811 is an equidigital number, since it uses as much as digits as its factorization.

53560811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 53560811 is about 7318.5251929607. The cubic root of 53560811 is about 376.9488141921.

The spelling of 53560811 in words is "fifty-three million, five hundred sixty thousand, eight hundred eleven".