50777473601 has 4 divisors (see below), whose sum is σ = 50913606612. Its totient is φ = 50641340592.

The previous prime is 50777473559. The next prime is 50777473603. The reversal of 50777473601 is 10637477705.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34737504400 + 16039969201 = 186380^2 + 126649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50777473601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50777473603) 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, 68065946 + ... + 68066691.

It is an arithmetic number, because the mean of its divisors is an integer number (12728401653).

Almost surely, 2^50777473601 is an apocalyptic number.

It is an amenable number.

50777473601 is a deficient number, since it is larger than the sum of its proper divisors (136133011).

50777473601 is a wasteful number, since it uses less digits than its factorization.

50777473601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136133010.

The product of its (nonzero) digits is 864360, while the sum is 47.

The spelling of 50777473601 in words is "fifty billion, seven hundred seventy-seven million, four hundred seventy-three thousand, six hundred one".