50611015577 has 2 divisors, whose sum is σ = 50611015578. Its totient is φ = 50611015576.

The previous prime is 50611015573. The next prime is 50611015601. The reversal of 50611015577 is 77551011605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48067931536 + 2543084041 = 219244^2 + 50429^2 .

It is a cyclic number.

It is not a de Polignac number, because 50611015577 - 2² = 50611015573 is a prime.

It is a super-2 number, since 2×50611015577² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50611015577.

It is not a weakly prime, because it can be changed into another prime (50611015573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25305507788 + 25305507789.

It is an arithmetic number, because the mean of its divisors is an integer number (25305507789).

Almost surely, 2^50611015577 is an apocalyptic number.

It is an amenable number.

50611015577 is a deficient number, since it is larger than the sum of its proper divisors (1).

50611015577 is an equidigital number, since it uses as much as digits as its factorization.

50611015577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36750, while the sum is 38.

The spelling of 50611015577 in words is "fifty billion, six hundred eleven million, fifteen thousand, five hundred seventy-seven".