50621756677 has 16 divisors (see below), whose sum is σ = 53453059200. Its totient is φ = 47807392320.

The previous prime is 50621756671. The next prime is 50621756707. The reversal of 50621756677 is 77665712605.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50621756677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50621756671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9968263 + ... + 9973339.

It is an arithmetic number, because the mean of its divisors is an integer number (3340816200).

Almost surely, 2^50621756677 is an apocalyptic number.

It is an amenable number.

50621756677 is a deficient number, since it is larger than the sum of its proper divisors (2831302523).

50621756677 is a wasteful number, since it uses less digits than its factorization.

50621756677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636.

The product of its (nonzero) digits is 3704400, while the sum is 52.

The spelling of 50621756677 in words is "fifty billion, six hundred twenty-one million, seven hundred fifty-six thousand, six hundred seventy-seven".