50687633 has 2 divisors, whose sum is σ = 50687634. Its totient is φ = 50687632.

The previous prime is 50687629. The next prime is 50687701. The reversal of 50687633 is 33678605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29463184 + 21224449 = 5428^2 + 4607^2 .

It is a cyclic number.

It is not a de Polignac number, because 50687633 - 2² = 50687629 is a prime.

It is a super-2 number, since 2×50687633² = 5138472278285378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50687233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25343816 + 25343817.

It is an arithmetic number, because the mean of its divisors is an integer number (25343817).

Almost surely, 2^50687633 is an apocalyptic number.

It is an amenable number.

50687633 is a deficient number, since it is larger than the sum of its proper divisors (1).

50687633 is an equidigital number, since it uses as much as digits as its factorization.

50687633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 50687633 is about 7119.5247734663. The cubic root of 50687633 is about 370.0843075476.

Subtracting from 50687633 its reverse (33678605), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 50687633 in words is "fifty million, six hundred eighty-seven thousand, six hundred thirty-three".