50431540064 has 12 divisors (see below), whose sum is σ = 99287094564. Its totient is φ = 25215770016.

The previous prime is 50431539989. The next prime is 50431540073. The reversal of 50431540064 is 46004513405.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1575985627 = 50431540064 / (5 + 0 + 4 + 3 + 1 + 5 + 4 + 0 + 0 + 6 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 50431540064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 787992782 + ... + 787992845.

It is an arithmetic number, because the mean of its divisors is an integer number (8273924547).

Almost surely, 2^50431540064 is an apocalyptic number.

It is an amenable number.

50431540064 is a deficient number, since it is larger than the sum of its proper divisors (48855554500).

50431540064 is a wasteful number, since it uses less digits than its factorization.

50431540064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575985637 (or 1575985629 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 50431540064 in words is "fifty billion, four hundred thirty-one million, five hundred forty thousand, sixty-four".