50856340664 has 8 divisors (see below), whose sum is σ = 95355638760. Its totient is φ = 25428170328.

The previous prime is 50856340657. The next prime is 50856340723. The reversal of 50856340664 is 46604365805.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3178521284 + ... + 3178521299.

It is an arithmetic number, because the mean of its divisors is an integer number (11919454845).

Almost surely, 2^50856340664 is an apocalyptic number.

It is an amenable number.

50856340664 is a deficient number, since it is larger than the sum of its proper divisors (44499298096).

50856340664 is a wasteful number, since it uses less digits than its factorization.

50856340664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357042589 (or 6357042585 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 50856340664 in words is "fifty billion, eight hundred fifty-six million, three hundred forty thousand, six hundred sixty-four".