57401 has 4 divisors (see below), whose sum is σ = 58404. Its totient is φ = 56400.

The previous prime is 57397. The next prime is 57413. The reversal of 57401 is 10475.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15376 + 42025 = 124^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 57401 - 2² = 57397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57401.

It is not an unprimeable number, because it can be changed into a prime (57301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410 + ... + 531.

It is an arithmetic number, because the mean of its divisors is an integer number (14601).

2⁵⁷⁴⁰¹ is an apocalyptic number.

It is an amenable number.

57401 is a deficient number, since it is larger than the sum of its proper divisors (1003).

57401 is an equidigital number, since it uses as much as digits as its factorization.

57401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 57401 is about 239.5850579648. The cubic root of 57401 is about 38.5750489776.

Adding to 57401 its reverse (10475), we get a palindrome (67876).

The spelling of 57401 in words is "fifty-seven thousand, four hundred one".