50787678144 has 56 divisors (see below), whose sum is σ = 153572268928. Its totient is φ = 14510764800.

The previous prime is 50787678131. The next prime is 50787678197. The reversal of 50787678144 is 44187678705.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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, 18892882 + ... + 18895569.

Almost surely, 2^50787678144 is an apocalyptic number.

It is an amenable number.

50787678144 is an abundant number, since it is smaller than the sum of its proper divisors (102784590784).

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

50787678144 is a wasteful number, since it uses less digits than its factorization.

50787678144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37788473 (or 37788463 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 50787678144 in words is "fifty billion, seven hundred eighty-seven million, six hundred seventy-eight thousand, one hundred forty-four".