50164861 has 2 divisors, whose sum is σ = 50164862. Its totient is φ = 50164860.

The previous prime is 50164847. The next prime is 50164897. The reversal of 50164861 is 16846105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38365636 + 11799225 = 6194^2 + 3435^2 .

It is a cyclic number.

It is not a de Polignac number, because 50164861 - 2¹¹ = 50162813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50164801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25082430 + 25082431.

It is an arithmetic number, because the mean of its divisors is an integer number (25082431).

Almost surely, 2^50164861 is an apocalyptic number.

It is an amenable number.

50164861 is a deficient number, since it is larger than the sum of its proper divisors (1).

50164861 is an equidigital number, since it uses as much as digits as its factorization.

50164861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 50164861 is about 7082.7156514998. The cubic root of 50164861 is about 368.8076077383.

The spelling of 50164861 in words is "fifty million, one hundred sixty-four thousand, eight hundred sixty-one".