50621647 has 2 divisors, whose sum is σ = 50621648. Its totient is φ = 50621646.

The previous prime is 50621633. The next prime is 50621653. The reversal of 50621647 is 74612605.

It is a happy number.

50621647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50621647 - 2¹¹ = 50619599 is a prime.

It is a super-2 number, since 2×50621647² = 5125102289985218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50621677) 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, 25310823 + 25310824.

It is an arithmetic number, because the mean of its divisors is an integer number (25310824).

Almost surely, 2^50621647 is an apocalyptic number.

50621647 is a deficient number, since it is larger than the sum of its proper divisors (1).

50621647 is an equidigital number, since it uses as much as digits as its factorization.

50621647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 50621647 is about 7114.8891066551. The cubic root of 50621647 is about 369.9236438492.

The spelling of 50621647 in words is "fifty million, six hundred twenty-one thousand, six hundred forty-seven".