50527775549 has 2 divisors, whose sum is σ = 50527775550. Its totient is φ = 50527775548.

The previous prime is 50527775531. The next prime is 50527775563. The reversal of 50527775549 is 94557772505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29166491524 + 21361284025 = 170782^2 + 146155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50527775549 is a prime.

It is a super-2 number, since 2×50527775549² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50527775494 and 50527775503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50527775569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25263887774 + 25263887775.

It is an arithmetic number, because the mean of its divisors is an integer number (25263887775).

Almost surely, 2^50527775549 is an apocalyptic number.

It is an amenable number.

50527775549 is a deficient number, since it is larger than the sum of its proper divisors (1).

50527775549 is an equidigital number, since it uses as much as digits as its factorization.

50527775549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15435000, while the sum is 56.

The spelling of 50527775549 in words is "fifty billion, five hundred twenty-seven million, seven hundred seventy-five thousand, five hundred forty-nine".