49559661756 has 120 divisors (see below), whose sum is σ = 142794889776. Its totient is φ = 14863150080.

The previous prime is 49559661691. The next prime is 49559661793. The reversal of 49559661756 is 65716695594.

49559661756 is a `hidden beast` number, since 4 + 9 + 5 + 5 + 9 + 6 + 617 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 49559661693 and 49559661702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 274030 + ... + 417386.

Almost surely, 2^49559661756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49559661756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71397444888).

49559661756 is an abundant number, since it is smaller than the sum of its proper divisors (93235228020).

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

49559661756 is a wasteful number, since it uses less digits than its factorization.

49559661756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143481 (or 143470 counting only the distinct ones).

The product of its digits is 61236000, while the sum is 63.

The spelling of 49559661756 in words is "forty-nine billion, five hundred fifty-nine million, six hundred sixty-one thousand, seven hundred fifty-six".