50440514021 has 4 divisors (see below), whose sum is σ = 52633579872. Its totient is φ = 48247448172.

The previous prime is 50440514017. The next prime is 50440514029. The reversal of 50440514021 is 12041504405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50440514021 - 2² = 50440514017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50440514029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096532891 + ... + 1096532936.

It is an arithmetic number, because the mean of its divisors is an integer number (13158394968).

Almost surely, 2^50440514021 is an apocalyptic number.

It is an amenable number.

50440514021 is a deficient number, since it is larger than the sum of its proper divisors (2193065851).

50440514021 is a wasteful number, since it uses less digits than its factorization.

50440514021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193065850.

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 50440514021 in words is "fifty billion, four hundred forty million, five hundred fourteen thousand, twenty-one".