47530551544 has 96 divisors (see below), whose sum is σ = 112889754000. Its totient is φ = 18632581632.

The previous prime is 47530551517. The next prime is 47530551547. The reversal of 47530551544 is 44515503574.

It is a self number, because there is not a number n which added to its sum of digits gives 47530551544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47530551547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105964 + ... + 326020.

Almost surely, 2^47530551544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47530551544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56444877000).

47530551544 is an abundant number, since it is smaller than the sum of its proper divisors (65359202456).

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

47530551544 is a wasteful number, since it uses less digits than its factorization.

47530551544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220125 (or 220114 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 43.

The spelling of 47530551544 in words is "forty-seven billion, five hundred thirty million, five hundred fifty-one thousand, five hundred forty-four".