50640511 has 2 divisors, whose sum is σ = 50640512. Its totient is φ = 50640510.

The previous prime is 50640497. The next prime is 50640517. The reversal of 50640511 is 11504605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50640511 - 2¹¹ = 50638463 is a prime.

It is a super-2 number, since 2×50640511² = 5128922708682242, which contains 22 as substring.

It is equal to p_3037252 and since 50640511 and 3037252 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50640517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25320255 + 25320256.

It is an arithmetic number, because the mean of its divisors is an integer number (25320256).

Almost surely, 2^50640511 is an apocalyptic number.

50640511 is a deficient number, since it is larger than the sum of its proper divisors (1).

50640511 is an equidigital number, since it uses as much as digits as its factorization.

50640511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 50640511 is about 7116.2146538732. The cubic root of 50640511 is about 369.9695884427.

The spelling of 50640511 in words is "fifty million, six hundred forty thousand, five hundred eleven".