49857549857 has 8 divisors (see below), whose sum is σ = 52344446784. Its totient is φ = 47397251088.

The previous prime is 49857549827. The next prime is 49857549877. The reversal of 49857549857 is 75894575894.

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 49857549857 - 2¹⁶ = 49857484321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49857549827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6645698 + ... + 6653195.

It is an arithmetic number, because the mean of its divisors is an integer number (6543055848).

Almost surely, 2^49857549857 is an apocalyptic number.

It is an amenable number.

49857549857 is a deficient number, since it is larger than the sum of its proper divisors (2486896927).

49857549857 is a wasteful number, since it uses less digits than its factorization.

49857549857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13299079.

The product of its digits is 508032000, while the sum is 71.

The spelling of 49857549857 in words is "forty-nine billion, eight hundred fifty-seven million, five hundred forty-nine thousand, eight hundred fifty-seven".