49661553712 has 20 divisors (see below), whose sum is σ = 96976896256. Its totient is φ = 24635257920.

The previous prime is 49661553707. The next prime is 49661553719. The reversal of 49661553712 is 21735516694.

It is not an unprimeable number, because it can be changed into a prime (49661553719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12217839 + ... + 12221902.

Almost surely, 2^49661553712 is an apocalyptic number.

It is an amenable number.

49661553712 is a deficient number, since it is larger than the sum of its proper divisors (47315342544).

49661553712 is a wasteful number, since it uses less digits than its factorization.

49661553712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24439876 (or 24439870 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The spelling of 49661553712 in words is "forty-nine billion, six hundred sixty-one million, five hundred fifty-three thousand, seven hundred twelve".