50987413 has 2 divisors, whose sum is σ = 50987414. Its totient is φ = 50987412.

The previous prime is 50987411. The next prime is 50987429. The reversal of 50987413 is 31478905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50665924 + 321489 = 7118^2 + 567^2 .

It is a cyclic number.

It is not a de Polignac number, because 50987413 - 2¹ = 50987411 is a prime.

Together with 50987411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50987411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25493706 + 25493707.

It is an arithmetic number, because the mean of its divisors is an integer number (25493707).

Almost surely, 2^50987413 is an apocalyptic number.

It is an amenable number.

50987413 is a deficient number, since it is larger than the sum of its proper divisors (1).

50987413 is an equidigital number, since it uses as much as digits as its factorization.

50987413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 50987413 is about 7140.5471078903. The cubic root of 50987413 is about 370.8124659161.

The spelling of 50987413 in words is "fifty million, nine hundred eighty-seven thousand, four hundred thirteen".