53112511 has 2 divisors, whose sum is σ = 53112512. Its totient is φ = 53112510.

The previous prime is 53112481. The next prime is 53112529. The reversal of 53112511 is 11521135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53112511 - 2⁷ = 53112383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53112541) 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, 26556255 + 26556256.

It is an arithmetic number, because the mean of its divisors is an integer number (26556256).

Almost surely, 2^53112511 is an apocalyptic number.

53112511 is a deficient number, since it is larger than the sum of its proper divisors (1).

53112511 is an equidigital number, since it uses as much as digits as its factorization.

53112511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150, while the sum is 19.

The square root of 53112511 is about 7287.8330798667. The cubic root of 53112511 is about 375.8941884809.

Adding to 53112511 its reverse (11521135), we get a palindrome (64633646).

The spelling of 53112511 in words is "fifty-three million, one hundred twelve thousand, five hundred eleven".