47453688 has 80 divisors (see below), whose sum is σ = 135021480. Its totient is φ = 15567552.

The previous prime is 47453683. The next prime is 47453699. The reversal of 47453688 is 88635474.

47453688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47453683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42870 + ... + 43962.

Almost surely, 2^47453688 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 47453688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67510740).

47453688 is an abundant number, since it is smaller than the sum of its proper divisors (87567792).

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

47453688 is a wasteful number, since it uses less digits than its factorization.

47453688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1165 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 47453688 is about 6888.6637310875. The cubic root of 47453688 is about 362.0400838778.

The spelling of 47453688 in words is "forty-seven million, four hundred fifty-three thousand, six hundred eighty-eight".