50651647 has 2 divisors, whose sum is σ = 50651648. Its totient is φ = 50651646.

The previous prime is 50651639. The next prime is 50651651. The reversal of 50651647 is 74615605.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50651647 - 2³ = 50651639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50651747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25325823 + 25325824.

It is an arithmetic number, because the mean of its divisors is an integer number (25325824).

Almost surely, 2^50651647 is an apocalyptic number.

50651647 is a deficient number, since it is larger than the sum of its proper divisors (1).

50651647 is an equidigital number, since it uses as much as digits as its factorization.

50651647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 50651647 is about 7116.9970493179. The cubic root of 50651647 is about 369.9967055952.

The spelling of 50651647 in words is "fifty million, six hundred fifty-one thousand, six hundred forty-seven".