49857853830 has 64 divisors (see below), whose sum is σ = 128091628800. Its totient is φ = 12382174080.

The previous prime is 49857853823. The next prime is 49857853853. The reversal of 49857853830 is 3835875894.

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 31 ways as a sum of consecutive naturals, for example, 707641 + ... + 774900.

It is an arithmetic number, because the mean of its divisors is an integer number (2001431700).

Almost surely, 2^49857853830 is an apocalyptic number.

49857853830 is an abundant number, since it is smaller than the sum of its proper divisors (78233774970).

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

49857853830 is a wasteful number, since it uses less digits than its factorization.

49857853830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482629.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 49857853830 in words is "forty-nine billion, eight hundred fifty-seven million, eight hundred fifty-three thousand, eight hundred thirty".