50765355677 has 4 divisors (see below), whose sum is σ = 50765809116. Its totient is φ = 50764902240.

The previous prime is 50765355631. The next prime is 50765355691. The reversal of 50765355677 is 77655356705.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77655356705 = 5 ⋅15531071341.

It can be written as a sum of positive squares in 2 ways, for example, as 23326758361 + 27438597316 = 152731^2 + 165646^2 .

It is a cyclic number.

It is not a de Polignac number, because 50765355677 - 2¹⁶ = 50765290141 is a prime.

It is a super-2 number, since 2×50765355677² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50765354677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75527 + ... + 327467.

It is an arithmetic number, because the mean of its divisors is an integer number (12691452279).

Almost surely, 2^50765355677 is an apocalyptic number.

It is an amenable number.

50765355677 is a deficient number, since it is larger than the sum of its proper divisors (453439).

50765355677 is a wasteful number, since it uses less digits than its factorization.

50765355677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453438.

The product of its (nonzero) digits is 23152500, while the sum is 56.

The spelling of 50765355677 in words is "fifty billion, seven hundred sixty-five million, three hundred fifty-five thousand, six hundred seventy-seven".