49171325520 has 80 divisors (see below), whose sum is σ = 152513631360. Its totient is φ = 13105254912.

The previous prime is 49171325513. The next prime is 49171325531. The reversal of 49171325520 is 2552317194.

49171325520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396442 + ... + 505478.

It is an arithmetic number, because the mean of its divisors is an integer number (1906420392).

Almost surely, 2^49171325520 is an apocalyptic number.

49171325520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49171325520 is an abundant number, since it is smaller than the sum of its proper divisors (103342305840).

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

49171325520 is a wasteful number, since it uses less digits than its factorization.

49171325520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110932 (or 110926 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 49171325520 in words is "forty-nine billion, one hundred seventy-one million, three hundred twenty-five thousand, five hundred twenty".