50021745672 has 16 divisors (see below), whose sum is σ = 125054364240. Its totient is φ = 16673915216.

The previous prime is 50021745611. The next prime is 50021745677. The reversal of 50021745672 is 27654712005.

It is a self number, because there is not a number n which added to its sum of digits gives 50021745672.

It is not an unprimeable number, because it can be changed into a prime (50021745677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042119678 + ... + 1042119725.

It is an arithmetic number, because the mean of its divisors is an integer number (7815897765).

Almost surely, 2^50021745672 is an apocalyptic number.

It is an amenable number.

50021745672 is an abundant number, since it is smaller than the sum of its proper divisors (75032618568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50021745672 is a wasteful number, since it uses less digits than its factorization.

50021745672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084239412 (or 2084239408 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 50021745672 in words is "fifty billion, twenty-one million, seven hundred forty-five thousand, six hundred seventy-two".