50021616634 has 32 divisors (see below), whose sum is σ = 82219737600. Its totient is φ = 22635566640.

The previous prime is 50021616583. The next prime is 50021616637. The reversal of 50021616634 is 43661612005.

It is a self number, because there is not a number n which added to its sum of digits gives 50021616634.

It is not an unprimeable number, because it can be changed into a prime (50021616637) 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, 6202897 + ... + 6210955.

It is an arithmetic number, because the mean of its divisors is an integer number (2569366800).

Almost surely, 2^50021616634 is an apocalyptic number.

50021616634 is a deficient number, since it is larger than the sum of its proper divisors (32198120966).

50021616634 is a wasteful number, since it uses less digits than its factorization.

50021616634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9298.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 50021616634 in words is "fifty billion, twenty-one million, six hundred sixteen thousand, six hundred thirty-four".