50721144544 has 48 divisors (see below), whose sum is σ = 116056886400. Its totient is φ = 21369193344.

The previous prime is 50721144533. The next prime is 50721144559. The reversal of 50721144544 is 44544112705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905714 + ... + 1932145.

It is an arithmetic number, because the mean of its divisors is an integer number (2417851800).

Almost surely, 2^50721144544 is an apocalyptic number.

It is an amenable number.

50721144544 is an abundant number, since it is smaller than the sum of its proper divisors (65335741856).

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

50721144544 is a wasteful number, since it uses less digits than its factorization.

50721144544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837935 (or 3837927 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The spelling of 50721144544 in words is "fifty billion, seven hundred twenty-one million, one hundred forty-four thousand, five hundred forty-four".