50090940061 has 2 divisors, whose sum is σ = 50090940062. Its totient is φ = 50090940060.

The previous prime is 50090940049. The next prime is 50090940091. The reversal of 50090940061 is 16004909005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47832314436 + 2258625625 = 218706^2 + 47525^2 .

It is a cyclic number.

It is not a de Polignac number, because 50090940061 - 2⁷ = 50090939933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50090939999 and 50090940026.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50090940041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25045470030 + 25045470031.

It is an arithmetic number, because the mean of its divisors is an integer number (25045470031).

Almost surely, 2^50090940061 is an apocalyptic number.

It is an amenable number.

50090940061 is a deficient number, since it is larger than the sum of its proper divisors (1).

50090940061 is an equidigital number, since it uses as much as digits as its factorization.

50090940061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 50090940061 in words is "fifty billion, ninety million, nine hundred forty thousand, sixty-one".