50645761 has 2 divisors, whose sum is σ = 50645762. Its totient is φ = 50645760.

The previous prime is 50645759. The next prime is 50645767. The reversal of 50645761 is 16754605.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33131536 + 17514225 = 5756^2 + 4185^2 .

It is a cyclic number.

It is not a de Polignac number, because 50645761 - 2¹ = 50645759 is a prime.

Together with 50645759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50645767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25322880 + 25322881.

It is an arithmetic number, because the mean of its divisors is an integer number (25322881).

Almost surely, 2^50645761 is an apocalyptic number.

It is an amenable number.

50645761 is a deficient number, since it is larger than the sum of its proper divisors (1).

50645761 is an equidigital number, since it uses as much as digits as its factorization.

50645761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 50645761 is about 7116.5835202012. The cubic root of 50645761 is about 369.9823731559.

The spelling of 50645761 in words is "fifty million, six hundred forty-five thousand, seven hundred sixty-one".