50977357932186 has 144 divisors (see below), whose sum is σ = 136052307407016. Its totient is φ = 13707119849472.

The previous prime is 50977357932167. The next prime is 50977357932217. The reversal of 50977357932186 is 68123975377905.

50977357932186 is a `hidden beast` number, since 5 + 0 + 9 + 7 + 7 + 3 + 579 + 32 + 18 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 40601428205625 + 10375929726561 = 6371925^2 + 3221169^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 200747730 + ... + 201001506.

Almost surely, 2^{50977357932186} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50977357932186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68026153703508).

50977357932186 is an abundant number, since it is smaller than the sum of its proper divisors (85074949474830).

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

50977357932186 is a wasteful number, since it uses less digits than its factorization.

50977357932186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267213 (or 267203 counting only the distinct ones).

The product of its (nonzero) digits is 600112800, while the sum is 72.

The spelling of 50977357932186 in words is "fifty trillion, nine hundred seventy-seven billion, three hundred fifty-seven million, nine hundred thirty-two thousand, one hundred eighty-six".