50621633 has 2 divisors, whose sum is σ = 50621634. Its totient is φ = 50621632.

The previous prime is 50621611. The next prime is 50621647. The reversal of 50621633 is 33612605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50523664 + 97969 = 7108^2 + 313^2 .

It is a cyclic number.

It is not a de Polignac number, because 50621633 - 2⁶ = 50621569 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50621603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25310816 + 25310817.

It is an arithmetic number, because the mean of its divisors is an integer number (25310817).

Almost surely, 2^50621633 is an apocalyptic number.

It is an amenable number.

50621633 is a deficient number, since it is larger than the sum of its proper divisors (1).

50621633 is an equidigital number, since it uses as much as digits as its factorization.

50621633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 50621633 is about 7114.8881228028. Note that the first 3 decimals coincide. The cubic root of 50621633 is about 369.9236097470.

Subtracting from 50621633 its reverse (33612605), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 50621633 in words is "fifty million, six hundred twenty-one thousand, six hundred thirty-three".