57030004 has 6 divisors (see below), whose sum is σ = 99802514. Its totient is φ = 28515000.

The previous prime is 57029993. The next prime is 57030007. The reversal of 57030004 is 40003075.

It can be written as a sum of positive squares in only one way, i.e., 56220004 + 810000 = 7498^2 + 900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57030007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7128747 + ... + 7128754.

Almost surely, 2^57030004 is an apocalyptic number.

It is an amenable number.

57030004 is a deficient number, since it is larger than the sum of its proper divisors (42772510).

57030004 is a wasteful number, since it uses less digits than its factorization.

57030004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14257505 (or 14257503 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 57030004 is about 7551.8212372910. The cubic root of 57030004 is about 384.9176278488.

Adding to 57030004 its reverse (40003075), we get a palindrome (97033079).

The spelling of 57030004 in words is "fifty-seven million, thirty thousand, four".