50015550091 has 8 divisors (see below), whose sum is σ = 54544710080. Its totient is φ = 45583791552.

The previous prime is 50015550047. The next prime is 50015550139. The reversal of 50015550091 is 19005551005.

50015550091 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 50015550091 - 2¹³ = 50015541899 is a prime.

It is a super-3 number, since 3×50015550091³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50015550001) 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, 24349290 + ... + 24351343.

It is an arithmetic number, because the mean of its divisors is an integer number (6818088760).

Almost surely, 2^50015550091 is an apocalyptic number.

50015550091 is a deficient number, since it is larger than the sum of its proper divisors (4529159989).

50015550091 is a wasteful number, since it uses less digits than its factorization.

50015550091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48700725.

The product of its (nonzero) digits is 5625, while the sum is 31.

The spelling of 50015550091 in words is "fifty billion, fifteen million, five hundred fifty thousand, ninety-one".