47457 has 6 divisors (see below), whose sum is σ = 68562. Its totient is φ = 31632.

The previous prime is 47441. The next prime is 47459. The reversal of 47457 is 75474.

47457 is nontrivially palindromic in base 11.

47457 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., 40401 + 7056 = 201^2 + 84^2 .

It is not a de Polignac number, because 47457 - 2⁴ = 47441 is a prime.

It is a plaindrome in base 12.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 47457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2628 + ... + 2645.

It is an arithmetic number, because the mean of its divisors is an integer number (11427).

2⁴⁷⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

47457 is a deficient number, since it is larger than the sum of its proper divisors (21105).

47457 is a wasteful number, since it uses less digits than its factorization.

47457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279 (or 5276 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 47457 is about 217.8462760756. The cubic root of 47457 is about 36.2048506468.

The spelling of 47457 in words is "forty-seven thousand, four hundred fifty-seven".