50511403664 has 40 divisors (see below), whose sum is σ = 100563504000. Its totient is φ = 24560247168.

The previous prime is 50511403637. The next prime is 50511403693. The reversal of 50511403664 is 46630411505.

50511403664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1162067 + ... + 1204749.

It is an arithmetic number, because the mean of its divisors is an integer number (2514087600).

Almost surely, 2^50511403664 is an apocalyptic number.

It is an amenable number.

50511403664 is a deficient number, since it is larger than the sum of its proper divisors (50052100336).

50511403664 is a wasteful number, since it uses less digits than its factorization.

50511403664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44727 (or 44721 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 50511403664 in words is "fifty billion, five hundred eleven million, four hundred three thousand, six hundred sixty-four".