57068109 has 12 divisors (see below), whose sum is σ = 94207776. Its totient is φ = 32610312.

The previous prime is 57068071. The next prime is 57068111. The reversal of 57068109 is 90186075.

57068109 is a `hidden beast` number, since 570 + 6 + 81 + 0 + 9 = 666.

It is not a de Polignac number, because 57068109 - 2¹² = 57064013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57068159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452859 + ... + 452984.

It is an arithmetic number, because the mean of its divisors is an integer number (7850648).

Almost surely, 2^57068109 is an apocalyptic number.

It is an amenable number.

57068109 is a deficient number, since it is larger than the sum of its proper divisors (37139667).

57068109 is a wasteful number, since it uses less digits than its factorization.

57068109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905856 (or 905853 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 57068109 is about 7554.3437173589. The cubic root of 57068109 is about 385.0033372399.

The spelling of 57068109 in words is "fifty-seven million, sixty-eight thousand, one hundred nine".