49836856656 has 80 divisors (see below), whose sum is σ = 129914552000. Its totient is φ = 16461978624.

The previous prime is 49836856639. The next prime is 49836856687. The reversal of 49836856656 is 65665863894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2847420 + ... + 2864868.

It is an arithmetic number, because the mean of its divisors is an integer number (1623931900).

Almost surely, 2^49836856656 is an apocalyptic number.

It is an amenable number.

49836856656 is an abundant number, since it is smaller than the sum of its proper divisors (80077695344).

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

49836856656 is a wasteful number, since it uses less digits than its factorization.

49836856656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17996 (or 17990 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 66.

The spelling of 49836856656 in words is "forty-nine billion, eight hundred thirty-six million, eight hundred fifty-six thousand, six hundred fifty-six".