49965481656 has 24 divisors (see below), whose sum is σ = 135323179680. Its totient is φ = 16655160528.

The previous prime is 49965481633. The next prime is 49965481663. The reversal of 49965481656 is 65618456994.

49965481656 is a `hidden beast` number, since 4 + 9 + 96 + 5 + 481 + 65 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 49965481593 and 49965481602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 346982440 + ... + 346982583.

It is an arithmetic number, because the mean of its divisors is an integer number (5638465820).

Almost surely, 2^49965481656 is an apocalyptic number.

It is an amenable number.

49965481656 is an abundant number, since it is smaller than the sum of its proper divisors (85357698024).

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

49965481656 is a wasteful number, since it uses less digits than its factorization.

49965481656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693965035 (or 693965028 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The spelling of 49965481656 in words is "forty-nine billion, nine hundred sixty-five million, four hundred eighty-one thousand, six hundred fifty-six".