53056511 has 2 divisors, whose sum is σ = 53056512. Its totient is φ = 53056510.

The previous prime is 53056499. The next prime is 53056537. The reversal of 53056511 is 11565035.

It is an a-pointer prime, because the next prime (53056537) can be obtained adding 53056511 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53056511 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53056571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26528255 + 26528256.

It is an arithmetic number, because the mean of its divisors is an integer number (26528256).

Almost surely, 2^53056511 is an apocalyptic number.

53056511 is a deficient number, since it is larger than the sum of its proper divisors (1).

53056511 is an equidigital number, since it uses as much as digits as its factorization.

53056511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 53056511 is about 7283.9900466708. The cubic root of 53056511 is about 375.7620320664.

The spelling of 53056511 in words is "fifty-three million, fifty-six thousand, five hundred eleven".