50042772647 has 8 divisors (see below), whose sum is σ = 57195065376. Its totient is φ = 42891311232.

The previous prime is 50042772643. The next prime is 50042772677. The reversal of 50042772647 is 74627724005.

50042772647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 50042772647 - 2² = 50042772643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50042772598 and 50042772607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50042772643) 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, 72998 + ... + 324675.

It is an arithmetic number, because the mean of its divisors is an integer number (7149383172).

Almost surely, 2^50042772647 is an apocalyptic number.

50042772647 is a deficient number, since it is larger than the sum of its proper divisors (7152292729).

50042772647 is a wasteful number, since it uses less digits than its factorization.

50042772647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415657.

The product of its (nonzero) digits is 658560, while the sum is 44.

The spelling of 50042772647 in words is "fifty billion, forty-two million, seven hundred seventy-two thousand, six hundred forty-seven".