57420304 has 10 divisors (see below), whose sum is σ = 111251870. Its totient is φ = 28710144.

The previous prime is 57420301. The next prime is 57420353. The reversal of 57420304 is 40302475.

It can be written as a sum of positive squares in only one way, i.e., 36626704 + 20793600 = 6052^2 + 4560^2 .

It is a super-2 number, since 2×57420304² = 6594182622904832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57420301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1794369 + ... + 1794400.

It is an arithmetic number, because the mean of its divisors is an integer number (11125187).

Almost surely, 2^57420304 is an apocalyptic number.

It is an amenable number.

57420304 is a deficient number, since it is larger than the sum of its proper divisors (53831566).

57420304 is a wasteful number, since it uses less digits than its factorization.

57420304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588777 (or 3588771 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 57420304 is about 7577.6186232879. The cubic root of 57420304 is about 385.7937276568.

Adding to 57420304 its reverse (40302475), we get a palindrome (97722779).

The spelling of 57420304 in words is "fifty-seven million, four hundred twenty thousand, three hundred four".