50421044455 has 16 divisors (see below), whose sum is σ = 62780684544. Its totient is φ = 38833367040.

The previous prime is 50421044437. The next prime is 50421044459. The reversal of 50421044455 is 55444012405.

It is a de Polignac number, because none of the positive numbers 2^k-50421044455 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 50421044455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50421044459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812824 + ... + 872653.

It is an arithmetic number, because the mean of its divisors is an integer number (3923792784).

Almost surely, 2^50421044455 is an apocalyptic number.

50421044455 is a deficient number, since it is larger than the sum of its proper divisors (12359640089).

50421044455 is a wasteful number, since it uses less digits than its factorization.

50421044455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685706.

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 50421044455 in words is "fifty billion, four hundred twenty-one million, forty-four thousand, four hundred fifty-five".