47543420 has 24 divisors (see below), whose sum is σ = 100023504. Its totient is φ = 18982656.

The previous prime is 47543411. The next prime is 47543443. The reversal of 47543420 is 2434574.

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, 11012 + ... + 14708.

It is an arithmetic number, because the mean of its divisors is an integer number (4167646).

Almost surely, 2^47543420 is an apocalyptic number.

It is an amenable number.

47543420 is an abundant number, since it is smaller than the sum of its proper divisors (52480084).

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

47543420 is a wasteful number, since it uses less digits than its factorization.

47543420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349 (or 4347 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 47543420 is about 6895.1736743899. The cubic root of 47543420 is about 362.2681386891.

Adding to 47543420 its reverse (2434574), we get a palindrome (49977994).

The spelling of 47543420 in words is "forty-seven million, five hundred forty-three thousand, four hundred twenty".