51755311 has 2 divisors, whose sum is σ = 51755312. Its totient is φ = 51755310.

The previous prime is 51755287. The next prime is 51755317. The reversal of 51755311 is 11355715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51755311 - 2⁹ = 51754799 is a prime.

It is a super-2 number, since 2×51755311² = 5357224433413442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51755311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51755317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25877655 + 25877656.

It is an arithmetic number, because the mean of its divisors is an integer number (25877656).

Almost surely, 2^51755311 is an apocalyptic number.

51755311 is a deficient number, since it is larger than the sum of its proper divisors (1).

51755311 is an equidigital number, since it uses as much as digits as its factorization.

51755311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2625, while the sum is 28.

The square root of 51755311 is about 7194.1164155162. The cubic root of 51755311 is about 372.6647434287.

The spelling of 51755311 in words is "fifty-one million, seven hundred fifty-five thousand, three hundred eleven".