47059921 has 4 divisors (see below), whose sum is σ = 47626992. Its totient is φ = 46492852.

The previous prime is 47059889. The next prime is 47059933. The reversal of 47059921 is 12995074.

47059921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47059921 - 2⁵ = 47059889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47059981) 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 3 ways as a sum of consecutive naturals, for example, 283411 + ... + 283576.

It is an arithmetic number, because the mean of its divisors is an integer number (11906748).

Almost surely, 2^47059921 is an apocalyptic number.

It is an amenable number.

47059921 is a deficient number, since it is larger than the sum of its proper divisors (567071).

47059921 is an equidigital number, since it uses as much as digits as its factorization.

47059921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567070.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 47059921 is about 6860.0233964616. The cubic root of 47059921 is about 361.0359077549.

The spelling of 47059921 in words is "forty-seven million, fifty-nine thousand, nine hundred twenty-one".