50766517 has 2 divisors, whose sum is σ = 50766518. Its totient is φ = 50766516.

The previous prime is 50766473. The next prime is 50766557. The reversal of 50766517 is 71566705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35509681 + 15256836 = 5959^2 + 3906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50766517 is a prime.

It is a super-2 number, since 2×50766517² = 5154478496622578, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50766557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25383258 + 25383259.

It is an arithmetic number, because the mean of its divisors is an integer number (25383259).

Almost surely, 2^50766517 is an apocalyptic number.

It is an amenable number.

50766517 is a deficient number, since it is larger than the sum of its proper divisors (1).

50766517 is an equidigital number, since it uses as much as digits as its factorization.

50766517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 50766517 is about 7125.0625962163. The cubic root of 50766517 is about 370.2761926114.

The spelling of 50766517 in words is "fifty million, seven hundred sixty-six thousand, five hundred seventeen".