50771772245 has 8 divisors (see below), whose sum is σ = 60927590616. Its totient is φ = 40616441856.

The previous prime is 50771772209. The next prime is 50771772277. The reversal of 50771772245 is 54227717705.

It can be written as a sum of positive squares in 4 ways, for example, as 2210598289 + 48561173956 = 47017^2 + 220366^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50771772245 - 2¹⁴ = 50771755861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50771772245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170789 + ... + 361541.

It is an arithmetic number, because the mean of its divisors is an integer number (7615948827).

Almost surely, 2^50771772245 is an apocalyptic number.

It is an amenable number.

50771772245 is a deficient number, since it is larger than the sum of its proper divisors (10155818371).

50771772245 is a wasteful number, since it uses less digits than its factorization.

50771772245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243991.

The product of its (nonzero) digits is 960400, while the sum is 47.

The spelling of 50771772245 in words is "fifty billion, seven hundred seventy-one million, seven hundred seventy-two thousand, two hundred forty-five".