47164456 has 8 divisors (see below), whose sum is σ = 88433370. Its totient is φ = 23582224.

The previous prime is 47164433. The next prime is 47164463. The reversal of 47164456 is 65446174.

47164456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47141956 + 22500 = 6866^2 + 150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2947771 + ... + 2947786.

Almost surely, 2^47164456 is an apocalyptic number.

It is an amenable number.

47164456 is a deficient number, since it is larger than the sum of its proper divisors (41268914).

47164456 is a wasteful number, since it uses less digits than its factorization.

47164456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895563 (or 5895559 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 47164456 is about 6867.6383131321. The cubic root of 47164456 is about 361.3030351209.

The spelling of 47164456 in words is "forty-seven million, one hundred sixty-four thousand, four hundred fifty-six".