50201631644 has 12 divisors (see below), whose sum is σ = 87864189000. Its totient is φ = 25097577648.

The previous prime is 50201631643. The next prime is 50201631757. The reversal of 50201631644 is 44613610205.

It is a self number, because there is not a number n which added to its sum of digits gives 50201631644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50201631643) 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, 774494 + ... + 836805.

It is an arithmetic number, because the mean of its divisors is an integer number (7322015750).

Almost surely, 2^50201631644 is an apocalyptic number.

It is an amenable number.

50201631644 is a deficient number, since it is larger than the sum of its proper divisors (37662557356).

50201631644 is a wasteful number, since it uses less digits than its factorization.

50201631644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619092 (or 1619090 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 50201631644 in words is "fifty billion, two hundred one million, six hundred thirty-one thousand, six hundred forty-four".