50054999991 has 8 divisors (see below), whose sum is σ = 66753360000. Its totient is φ = 33363319992.

The previous prime is 50054999957. The next prime is 50054999999. The reversal of 50054999991 is 19999945005.

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

It is not a de Polignac number, because 50054999991 - 2¹³ = 50054991799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50054999999) 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, 1652491 + ... + 1682508.

It is an arithmetic number, because the mean of its divisors is an integer number (8344170000).

Almost surely, 2^50054999991 is an apocalyptic number.

50054999991 is a deficient number, since it is larger than the sum of its proper divisors (16698360009).

50054999991 is a wasteful number, since it uses less digits than its factorization.

50054999991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340005.

The product of its (nonzero) digits is 5904900, while the sum is 60.

The spelling of 50054999991 in words is "fifty billion, fifty-four million, nine hundred ninety-nine thousand, nine hundred ninety-one".