49755791910 has 128 divisors (see below), whose sum is σ = 137244119040. Its totient is φ = 11417328000.

The previous prime is 49755791909. The next prime is 49755791971. The reversal of 49755791910 is 1919755794.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 9295735 + ... + 9301085.

It is an arithmetic number, because the mean of its divisors is an integer number (1072219680).

Almost surely, 2^49755791910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49755791910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68622059520).

49755791910 is an abundant number, since it is smaller than the sum of its proper divisors (87488327130).

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

49755791910 is a wasteful number, since it uses less digits than its factorization.

49755791910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874.

The product of its (nonzero) digits is 3572100, while the sum is 57.

The spelling of 49755791910 in words is "forty-nine billion, seven hundred fifty-five million, seven hundred ninety-one thousand, nine hundred ten".