50641772579 has 8 divisors (see below), whose sum is σ = 51696340992. Its totient is φ = 49590873280.

The previous prime is 50641772507. The next prime is 50641772603. The reversal of 50641772579 is 97527714605.

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 50641772579 - 2⁸ = 50641772323 is a prime.

It is a super-3 number, since 3×50641772579³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (53).

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 50641772579.

It is not an unprimeable number, because it can be changed into a prime (50641775579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889379 + ... + 944604.

It is an arithmetic number, because the mean of its divisors is an integer number (6462042624).

Almost surely, 2^50641772579 is an apocalyptic number.

50641772579 is a deficient number, since it is larger than the sum of its proper divisors (1054568413).

50641772579 is a wasteful number, since it uses less digits than its factorization.

50641772579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834557.

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 50641772579 in words is "fifty billion, six hundred forty-one million, seven hundred seventy-two thousand, five hundred seventy-nine".