49863285521 has 8 divisors (see below), whose sum is σ = 57141891840. Its totient is φ = 42623499168.

The previous prime is 49863285499. The next prime is 49863285529. The reversal of 49863285521 is 12558236894.

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 49863285521 - 2⁶ = 49863285457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49863285529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9702236 + ... + 9707373.

It is an arithmetic number, because the mean of its divisors is an integer number (7142736480).

Almost surely, 2^49863285521 is an apocalyptic number.

It is an amenable number.

49863285521 is a deficient number, since it is larger than the sum of its proper divisors (7278606319).

49863285521 is a wasteful number, since it uses less digits than its factorization.

49863285521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19409983.

The product of its digits is 4147200, while the sum is 53.

The spelling of 49863285521 in words is "forty-nine billion, eight hundred sixty-three million, two hundred eighty-five thousand, five hundred twenty-one".