50728267565 has 8 divisors (see below), whose sum is σ = 60899827968. Its totient is φ = 40565342800.

The previous prime is 50728267531. The next prime is 50728267571. The reversal of 50728267565 is 56576282705.

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

It is not a de Polignac number, because 50728267565 - 2⁶ = 50728267501 is a prime.

It is a Duffinian number.

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, 2145977 + ... + 2169486.

It is an arithmetic number, because the mean of its divisors is an integer number (7612478496).

Almost surely, 2^50728267565 is an apocalyptic number.

It is an amenable number.

50728267565 is a deficient number, since it is larger than the sum of its proper divisors (10171560403).

50728267565 is a wasteful number, since it uses less digits than its factorization.

50728267565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317819.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 50728267565 in words is "fifty billion, seven hundred twenty-eight million, two hundred sixty-seven thousand, five hundred sixty-five".