51929519 has 2 divisors, whose sum is σ = 51929520. Its totient is φ = 51929518.

The previous prime is 51929513. The next prime is 51929567. The reversal of 51929519 is 91592915.

51929519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51929519 is a prime.

It is a super-2 number, since 2×51929519² = 5393349887142722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51929513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25964759 + 25964760.

It is an arithmetic number, because the mean of its divisors is an integer number (25964760).

Almost surely, 2^51929519 is an apocalyptic number.

51929519 is a deficient number, since it is larger than the sum of its proper divisors (1).

51929519 is an equidigital number, since it uses as much as digits as its factorization.

51929519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36450, while the sum is 41.

The square root of 51929519 is about 7206.2139157813. The cubic root of 51929519 is about 373.0824041021.

The spelling of 51929519 in words is "fifty-one million, nine hundred twenty-nine thousand, five hundred nineteen".