50677643 has 2 divisors, whose sum is σ = 50677644. Its totient is φ = 50677642.

The previous prime is 50677639. The next prime is 50677657. The reversal of 50677643 is 34677605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50677643 - 2² = 50677639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50677597 and 50677606.

It is not a weakly prime, because it can be changed into another prime (50677673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25338821 + 25338822.

It is an arithmetic number, because the mean of its divisors is an integer number (25338822).

Almost surely, 2^50677643 is an apocalyptic number.

50677643 is a deficient number, since it is larger than the sum of its proper divisors (1).

50677643 is an equidigital number, since it uses as much as digits as its factorization.

50677643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 50677643 is about 7118.8231471220. The cubic root of 50677643 is about 370.0599927070.

Subtracting from 50677643 its sum of digits (38), we obtain a palindrome (50677605).

The spelling of 50677643 in words is "fifty million, six hundred seventy-seven thousand, six hundred forty-three".