5457 has 8 divisors (see below), whose sum is σ = 7776.
Its totient is φ = 3392.
The previous prime is 5449. The next prime is 5471. The reversal of 5457 is 7545.
5457 is nontrivially palindromic in base 8 and base 16.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 5457 - 23 = 5449 is a prime.
It is a nialpdrome in base 9 and base 11.
It is not an unprimeable number, because it can be changed into a prime (5407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3 + ... + 104.
It is an arithmetic number, because the mean of its divisors is an integer number (972).
25457 is an apocalyptic number.
It is an amenable number.
5457 is a deficient number, since it is larger than the sum of its proper divisors (2319).
5457 is a wasteful number, since it uses less digits than its factorization.
5457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127.
The product of its digits is 700, while the sum is 21.
The square root of 5457 is about 73.8715100699.
The cubic root of 5457 is about 17.6056197619.
It can be divided in two parts, 54 and 57, that added together give a palindrome (111).
The spelling of 5457 in words is "five thousand, four hundred fifty-seven".