50298185664 has 168 divisors, whose sum is σ = 147752084480. Its totient is φ = 16350792192.

The previous prime is 50298185653. The next prime is 50298185741. The reversal of 50298185664 is 46658189205.

50298185664 is a `hidden beast` number, since 50 + 29 + 8 + 1 + 8 + 566 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 50298185664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22463457 + ... + 22465695.

Almost surely, 2^50298185664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50298185664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73876042240).

50298185664 is an abundant number, since it is smaller than the sum of its proper divisors (97453898816).

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

50298185664 is a wasteful number, since it uses less digits than its factorization.

50298185664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207 (or 3194 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 50298185664 in words is "fifty billion, two hundred ninety-eight million, one hundred eighty-five thousand, six hundred sixty-four".