51755159 has 2 divisors, whose sum is σ = 51755160. Its totient is φ = 51755158.

The previous prime is 51755153. The next prime is 51755177. The reversal of 51755159 is 95155715.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51755159 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 (51755153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25877579 + 25877580.

It is an arithmetic number, because the mean of its divisors is an integer number (25877580).

Almost surely, 2^51755159 is an apocalyptic number.

51755159 is a deficient number, since it is larger than the sum of its proper divisors (1).

51755159 is an equidigital number, since it uses as much as digits as its factorization.

51755159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39375, while the sum is 38.

The square root of 51755159 is about 7194.1058513202. The cubic root of 51755159 is about 372.6643786024.

The spelling of 51755159 in words is "fifty-one million, seven hundred fifty-five thousand, one hundred fifty-nine".