51788159 has 2 divisors, whose sum is σ = 51788160. Its totient is φ = 51788158.

The previous prime is 51788147. The next prime is 51788179. The reversal of 51788159 is 95188715.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51788159 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 (51788179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25894079 + 25894080.

It is an arithmetic number, because the mean of its divisors is an integer number (25894080).

Almost surely, 2^51788159 is an apocalyptic number.

51788159 is a deficient number, since it is larger than the sum of its proper divisors (1).

51788159 is an equidigital number, since it uses as much as digits as its factorization.

51788159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 44.

The square root of 51788159 is about 7196.3990300705. The cubic root of 51788159 is about 372.7435675623.

The spelling of 51788159 in words is "fifty-one million, seven hundred eighty-eight thousand, one hundred fifty-nine".