47421583 has 16 divisors (see below), whose sum is σ = 54416160. Its totient is φ = 40924800.

The previous prime is 47421581. The next prime is 47421589. The reversal of 47421583 is 38512474.

It is not a de Polignac number, because 47421583 - 2¹ = 47421581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47421581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18241 + ... + 20677.

It is an arithmetic number, because the mean of its divisors is an integer number (3401010).

Almost surely, 2^47421583 is an apocalyptic number.

47421583 is a deficient number, since it is larger than the sum of its proper divisors (6994577).

47421583 is a wasteful number, since it uses less digits than its factorization.

47421583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538.

The product of its digits is 26880, while the sum is 34.

The square root of 47421583 is about 6886.3330590380. Note that the first 3 decimals coincide. The cubic root of 47421583 is about 361.9584188578.

The spelling of 47421583 in words is "forty-seven million, four hundred twenty-one thousand, five hundred eighty-three".