50261397682 has 4 divisors (see below), whose sum is σ = 75392096526. Its totient is φ = 25130698840.

The previous prime is 50261397677. The next prime is 50261397721. The reversal of 50261397682 is 28679316205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41404517361 + 8856880321 = 203481^2 + 94111^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12565349419 + ... + 12565349422.

Almost surely, 2^50261397682 is an apocalyptic number.

50261397682 is a deficient number, since it is larger than the sum of its proper divisors (25130698844).

50261397682 is a wasteful number, since it uses less digits than its factorization.

50261397682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25130698843.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 50261397682 in words is "fifty billion, two hundred sixty-one million, three hundred ninety-seven thousand, six hundred eighty-two".