50449361915 has 4 divisors (see below), whose sum is σ = 60539234304. Its totient is φ = 40359489528.

The previous prime is 50449361873. The next prime is 50449361951. The reversal of 50449361915 is 51916394405.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50449361915 - 2¹⁶ = 50449296379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50449361915.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5044936187 + ... + 5044936196.

It is an arithmetic number, because the mean of its divisors is an integer number (15134808576).

Almost surely, 2^50449361915 is an apocalyptic number.

50449361915 is a deficient number, since it is larger than the sum of its proper divisors (10089872389).

50449361915 is a wasteful number, since it uses less digits than its factorization.

50449361915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10089872388.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 50449361915 in words is "fifty billion, four hundred forty-nine million, three hundred sixty-one thousand, nine hundred fifteen".