50899686772 has 12 divisors (see below), whose sum is σ = 97172129376. Its totient is φ = 23136221240.

The previous prime is 50899686769. The next prime is 50899686793. The reversal of 50899686772 is 27768699805.

It is a super-2 number, since 2×50899686772² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50899686698 and 50899686707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578405488 + ... + 578405575.

It is an arithmetic number, because the mean of its divisors is an integer number (8097677448).

Almost surely, 2^50899686772 is an apocalyptic number.

It is an amenable number.

50899686772 is a deficient number, since it is larger than the sum of its proper divisors (46272442604).

50899686772 is a wasteful number, since it uses less digits than its factorization.

50899686772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156811078 (or 1156811076 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 67.

The spelling of 50899686772 in words is "fifty billion, eight hundred ninety-nine million, six hundred eighty-six thousand, seven hundred seventy-two".