47572613556 has 96 divisors (see below), whose sum is σ = 122189316480. Its totient is φ = 14316040704.

The previous prime is 47572613551. The next prime is 47572613567. The reversal of 47572613556 is 65531627574.

47572613556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47572613499 and 47572613508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47572613551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1800070 + ... + 1826306.

It is an arithmetic number, because the mean of its divisors is an integer number (1272805380).

Almost surely, 2^47572613556 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 47572613556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61094658240).

47572613556 is an abundant number, since it is smaller than the sum of its proper divisors (74616702924).

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

47572613556 is a wasteful number, since it uses less digits than its factorization.

47572613556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26513 (or 26511 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 51.

The spelling of 47572613556 in words is "forty-seven billion, five hundred seventy-two million, six hundred thirteen thousand, five hundred fifty-six".