57240524 has 12 divisors (see below), whose sum is σ = 109277448. Its totient is φ = 26018400.

The previous prime is 57240523. The next prime is 57240527. The reversal of 57240524 is 42504275.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57240523) 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, 650417 + ... + 650504.

It is an arithmetic number, because the mean of its divisors is an integer number (9106454).

Almost surely, 2^57240524 is an apocalyptic number.

It is an amenable number.

57240524 is a deficient number, since it is larger than the sum of its proper divisors (52036924).

57240524 is a wasteful number, since it uses less digits than its factorization.

57240524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300936 (or 1300934 counting only the distinct ones).

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

The square root of 57240524 is about 7565.7467575911. The cubic root of 57240524 is about 385.3906733182.

Adding to 57240524 its reverse (42504275), we get a palindrome (99744799).

The spelling of 57240524 in words is "fifty-seven million, two hundred forty thousand, five hundred twenty-four".