50555600077 has 2 divisors, whose sum is σ = 50555600078. Its totient is φ = 50555600076.

The previous prime is 50555600063. The next prime is 50555600111. The reversal of 50555600077 is 77000655505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49027259241 + 1528340836 = 221421^2 + 39094^2 .

It is a cyclic number.

It is not a de Polignac number, because 50555600077 - 2³⁵ = 16195861709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555601077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277800038 + 25277800039.

It is an arithmetic number, because the mean of its divisors is an integer number (25277800039).

Almost surely, 2^50555600077 is an apocalyptic number.

It is an amenable number.

50555600077 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555600077 is an equidigital number, since it uses as much as digits as its factorization.

50555600077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183750, while the sum is 40.

The spelling of 50555600077 in words is "fifty billion, five hundred fifty-five million, six hundred thousand, seventy-seven".