50005463664 has 40 divisors (see below), whose sum is σ = 139117766032. Its totient is φ = 15386296320.

The previous prime is 50005463653. The next prime is 50005463689. The reversal of 50005463664 is 46636450005.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40067857 + ... + 40069104.

Almost surely, 2^50005463664 is an apocalyptic number.

It is an amenable number.

50005463664 is an abundant number, since it is smaller than the sum of its proper divisors (89112302368).

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

50005463664 is a wasteful number, since it uses less digits than its factorization.

50005463664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80136985 (or 80136979 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 50005463664 in words is "fifty billion, five million, four hundred sixty-three thousand, six hundred sixty-four".