50723518857 has 8 divisors (see below), whose sum is σ = 73779663840. Its totient is φ = 30741526560.

The previous prime is 50723518837. The next prime is 50723518907. The reversal of 50723518857 is 75881532705.

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

It is not a de Polignac number, because 50723518857 - 2¹⁶ = 50723453321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50723518837) 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, 768538132 + ... + 768538197.

It is an arithmetic number, because the mean of its divisors is an integer number (9222457980).

Almost surely, 2^50723518857 is an apocalyptic number.

It is an amenable number.

50723518857 is a deficient number, since it is larger than the sum of its proper divisors (23056144983).

50723518857 is a wasteful number, since it uses less digits than its factorization.

50723518857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537076343.

The product of its (nonzero) digits is 2352000, while the sum is 51.

The spelling of 50723518857 in words is "fifty billion, seven hundred twenty-three million, five hundred eighteen thousand, eight hundred fifty-seven".