57000207 has 16 divisors (see below), whose sum is σ = 83768832. Its totient is φ = 34187520.

The previous prime is 57000197. The next prime is 57000211. The reversal of 57000207 is 70200075.

57000207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57000207 - 2⁴ = 57000191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57000217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5703 + ... + 12104.

It is an arithmetic number, because the mean of its divisors is an integer number (5235552).

Almost surely, 2^57000207 is an apocalyptic number.

57000207 is a deficient number, since it is larger than the sum of its proper divisors (26768625).

57000207 is a wasteful number, since it uses less digits than its factorization.

57000207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17918.

The product of its (nonzero) digits is 490, while the sum is 21.

The square root of 57000207 is about 7549.8481441682. The cubic root of 57000207 is about 384.8505789983.

The spelling of 57000207 in words is "fifty-seven million, two hundred seven", and thus it is an aban number.