57451 has 4 divisors (see below), whose sum is σ = 58312. Its totient is φ = 56592.

The previous prime is 57427. The next prime is 57457. The reversal of 57451 is 15475.

57451 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.

It is a cyclic number.

It is not a de Polignac number, because 57451 - 2¹⁵ = 24683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321 + ... + 466.

It is an arithmetic number, because the mean of its divisors is an integer number (14578).

2⁵⁷⁴⁵¹ is an apocalyptic number.

57451 is a deficient number, since it is larger than the sum of its proper divisors (861).

57451 is an equidigital number, since it uses as much as digits as its factorization.

57451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860.

The product of its digits is 700, while the sum is 22.

The square root of 57451 is about 239.6893823264. The cubic root of 57451 is about 38.5862461849.

It can be divided in two parts, 574 and 51, that added together give a 4-th power (625 = 5⁴).

The spelling of 57451 in words is "fifty-seven thousand, four hundred fifty-one".