57205424 has 10 divisors (see below), whose sum is σ = 110835540. Its totient is φ = 28602704.

The previous prime is 57205417. The next prime is 57205427. The reversal of 57205424 is 42450275.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57205427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1787654 + ... + 1787685.

It is an arithmetic number, because the mean of its divisors is an integer number (11083554).

Almost surely, 2^57205424 is an apocalyptic number.

It is an amenable number.

57205424 is a deficient number, since it is larger than the sum of its proper divisors (53630116).

57205424 is a wasteful number, since it uses less digits than its factorization.

57205424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575347 (or 3575341 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 57205424 is about 7563.4267366056. The cubic root of 57205424 is about 385.3118831092.

Adding to 57205424 its reverse (42450275), we get a palindrome (99655699).

The spelling of 57205424 in words is "fifty-seven million, two hundred five thousand, four hundred twenty-four".