49911493577 has 8 divisors (see below), whose sum is σ = 54455021280. Its totient is φ = 45368985760.

The previous prime is 49911493531. The next prime is 49911493589. The reversal of 49911493577 is 77539411994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49911493577 - 2²⁰ = 49910445001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49911493277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150788 + ... + 350085.

It is an arithmetic number, because the mean of its divisors is an integer number (6806877660).

Almost surely, 2^49911493577 is an apocalyptic number.

It is an amenable number.

49911493577 is a deficient number, since it is larger than the sum of its proper divisors (4543527703).

49911493577 is a wasteful number, since it uses less digits than its factorization.

49911493577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509943.

The product of its digits is 8573040, while the sum is 59.

The spelling of 49911493577 in words is "forty-nine billion, nine hundred eleven million, four hundred ninety-three thousand, five hundred seventy-seven".