57122004 has 12 divisors (see below), whose sum is σ = 133284704. Its totient is φ = 19040664.

The previous prime is 57121993. The next prime is 57122059. The reversal of 57122004 is 40022175.

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

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, 2380072 + ... + 2380095.

Almost surely, 2^57122004 is an apocalyptic number.

It is an amenable number.

57122004 is an abundant number, since it is smaller than the sum of its proper divisors (76162700).

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

57122004 is a wasteful number, since it uses less digits than its factorization.

57122004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760174 (or 4760172 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 57122004 is about 7557.9100285727. The cubic root of 57122004 is about 385.1244978825.

Adding to 57122004 its reverse (40022175), we get a palindrome (97144179).

The spelling of 57122004 in words is "fifty-seven million, one hundred twenty-two thousand, four".