50646677 has 2 divisors, whose sum is σ = 50646678. Its totient is φ = 50646676.

The previous prime is 50646649. The next prime is 50646679. The reversal of 50646677 is 77664605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39450961 + 11195716 = 6281^2 + 3346^2 .

It is a cyclic number.

It is not a de Polignac number, because 50646677 - 2⁶ = 50646613 is a prime.

It is a super-2 number, since 2×50646677² = 5130171782284658, which contains 22 as substring.

Together with 50646679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50646679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25323338 + 25323339.

It is an arithmetic number, because the mean of its divisors is an integer number (25323339).

Almost surely, 2^50646677 is an apocalyptic number.

It is an amenable number.

50646677 is a deficient number, since it is larger than the sum of its proper divisors (1).

50646677 is an equidigital number, since it uses as much as digits as its factorization.

50646677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 50646677 is about 7116.6478766341. The cubic root of 50646677 is about 369.9846036934.

The spelling of 50646677 in words is "fifty million, six hundred forty-six thousand, six hundred seventy-seven".