57143004 has 12 divisors (see below), whose sum is σ = 133333704. Its totient is φ = 19047664.

The previous prime is 57142993. The next prime is 57143011. The reversal of 57143004 is 40034175.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×57143004² = 6530645812288032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2380947 + ... + 2380970.

It is an arithmetic number, because the mean of its divisors is an integer number (11111142).

Almost surely, 2^57143004 is an apocalyptic number.

It is an amenable number.

57143004 is an abundant number, since it is smaller than the sum of its proper divisors (76190700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57143004 is a wasteful number, since it uses less digits than its factorization.

57143004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761924 (or 4761922 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 57143004 is about 7559.2991738653. The cubic root of 57143004 is about 385.1716870740.

Adding to 57143004 its reverse (40034175), we get a palindrome (97177179).

The spelling of 57143004 in words is "fifty-seven million, one hundred forty-three thousand, four".