50653001081 has 2 divisors, whose sum is σ = 50653001082. Its totient is φ = 50653001080.

The previous prime is 50653001059. The next prime is 50653001143. The reversal of 50653001081 is 18010035605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43839984400 + 6813016681 = 209380^2 + 82541^2 .

It is a cyclic number.

It is not a de Polignac number, because 50653001081 - 2³⁴ = 33473131897 is a prime.

It is a super-2 number, since 2×50653001081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50653001041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25326500540 + 25326500541.

It is an arithmetic number, because the mean of its divisors is an integer number (25326500541).

Almost surely, 2^50653001081 is an apocalyptic number.

It is an amenable number.

50653001081 is a deficient number, since it is larger than the sum of its proper divisors (1).

50653001081 is an equidigital number, since it uses as much as digits as its factorization.

50653001081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 50653001081 its reverse (18010035605), we get a palindrome (68663036686).

The spelling of 50653001081 in words is "fifty billion, six hundred fifty-three million, one thousand, eighty-one".