49857549385 has 8 divisors (see below), whose sum is σ = 68376067776. Its totient is φ = 34188033840.

The previous prime is 49857549377. The next prime is 49857549407. The reversal of 49857549385 is 58394575894.

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

It is not a de Polignac number, because 49857549385 - 2³ = 49857549377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49857549385.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712250671 + ... + 712250740.

It is an arithmetic number, because the mean of its divisors is an integer number (8547008472).

Almost surely, 2^49857549385 is an apocalyptic number.

It is an amenable number.

49857549385 is a deficient number, since it is larger than the sum of its proper divisors (18518518391).

49857549385 is a wasteful number, since it uses less digits than its factorization.

49857549385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424501423.

The product of its digits is 217728000, while the sum is 67.

The spelling of 49857549385 in words is "forty-nine billion, eight hundred fifty-seven million, five hundred forty-nine thousand, three hundred eighty-five".