57005823 has 8 divisors (see below), whose sum is σ = 86866048. Its totient is φ = 32574744.

The previous prime is 57005821. The next prime is 57005843. The reversal of 57005823 is 32850075.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57005823 - 2¹ = 57005821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57005821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357261 + ... + 1357302.

It is an arithmetic number, because the mean of its divisors is an integer number (10858256).

Almost surely, 2^57005823 is an apocalyptic number.

57005823 is a deficient number, since it is larger than the sum of its proper divisors (29860225).

57005823 is a wasteful number, since it uses less digits than its factorization.

57005823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714573.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 57005823 is about 7550.2200630180. The cubic root of 57005823 is about 384.8632178406.

Adding to 57005823 its reverse (32850075), we get a palindrome (89855898).

The spelling of 57005823 in words is "fifty-seven million, five thousand, eight hundred twenty-three".