47521888 has 48 divisors (see below), whose sum is σ = 100638720. Its totient is φ = 22018176.

The previous prime is 47521879. The next prime is 47521891. The reversal of 47521888 is 88812574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27745 + ... + 29407.

It is an arithmetic number, because the mean of its divisors is an integer number (2096640).

Almost surely, 2^47521888 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 47521888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50319360).

47521888 is an abundant number, since it is smaller than the sum of its proper divisors (53116832).

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

47521888 is a wasteful number, since it uses less digits than its factorization.

47521888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739 (or 1731 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 47521888 is about 6893.6121155748. The cubic root of 47521888 is about 362.2134410714.

The spelling of 47521888 in words is "forty-seven million, five hundred twenty-one thousand, eight hundred eighty-eight".