50987429 has 2 divisors, whose sum is σ = 50987430. Its totient is φ = 50987428.

The previous prime is 50987413. The next prime is 50987441. The reversal of 50987429 is 92478905.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49773025 + 1214404 = 7055^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 50987429 - 2⁴ = 50987413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50987429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50987449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25493714 + 25493715.

It is an arithmetic number, because the mean of its divisors is an integer number (25493715).

Almost surely, 2^50987429 is an apocalyptic number.

It is an amenable number.

50987429 is a deficient number, since it is larger than the sum of its proper divisors (1).

50987429 is an equidigital number, since it uses as much as digits as its factorization.

50987429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 50987429 is about 7140.5482282525. The cubic root of 50987429 is about 370.8125047034.

The spelling of 50987429 in words is "fifty million, nine hundred eighty-seven thousand, four hundred twenty-nine".