54457 has 8 divisors (see below), whose sum is σ = 60480. Its totient is φ = 48720.

The previous prime is 54449. The next prime is 54469. The reversal of 54457 is 75445.

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 54457 - 2³ = 54449 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (54437) 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, 732 + ... + 802.

It is an arithmetic number, because the mean of its divisors is an integer number (7560).

2⁵⁴⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

54457 is a deficient number, since it is larger than the sum of its proper divisors (6023).

54457 is a wasteful number, since it uses less digits than its factorization.

54457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143.

The product of its digits is 2800, while the sum is 25.

The square root of 54457 is about 233.3602365443. The cubic root of 54457 is about 37.9039587625.

The spelling of 54457 in words is "fifty-four thousand, four hundred fifty-seven".