50757878144 has 32 divisors (see below), whose sum is σ = 101129523840. Its totient is φ = 25376350720.

The previous prime is 50757878137. The next prime is 50757878201. The reversal of 50757878144 is 44187875705.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 50757878144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126114 + ... + 2149854.

It is an arithmetic number, because the mean of its divisors is an integer number (3160297620).

Almost surely, 2^50757878144 is an apocalyptic number.

It is an amenable number.

50757878144 is a deficient number, since it is larger than the sum of its proper divisors (50371645696).

50757878144 is a wasteful number, since it uses less digits than its factorization.

50757878144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40458 (or 40446 counting only the distinct ones).

The product of its (nonzero) digits is 8780800, while the sum is 56.

The spelling of 50757878144 in words is "fifty billion, seven hundred fifty-seven million, eight hundred seventy-eight thousand, one hundred forty-four".