50121155449 has 8 divisors (see below), whose sum is σ = 50963297408. Its totient is φ = 49281780240.

The previous prime is 50121155419. The next prime is 50121155467. The reversal of 50121155449 is 94455112105.

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

It is a cyclic number.

It is not a de Polignac number, because 50121155449 - 2⁵ = 50121155417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50121155419) 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, 655137 + ... + 727630.

It is an arithmetic number, because the mean of its divisors is an integer number (6370412176).

Almost surely, 2^50121155449 is an apocalyptic number.

It is an amenable number.

50121155449 is a deficient number, since it is larger than the sum of its proper divisors (842141959).

50121155449 is a wasteful number, since it uses less digits than its factorization.

50121155449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383375.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 50121155449 in words is "fifty billion, one hundred twenty-one million, one hundred fifty-five thousand, four hundred forty-nine".