57000011 has 2 divisors, whose sum is σ = 57000012. Its totient is φ = 57000010.

The previous prime is 56999989. The next prime is 57000037. The reversal of 57000011 is 11000075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57000011 - 2⁶ = 56999947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57000011.

It is not a weakly prime, because it can be changed into another prime (57000071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28500005 + 28500006.

It is an arithmetic number, because the mean of its divisors is an integer number (28500006).

Almost surely, 2^57000011 is an apocalyptic number.

57000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

57000011 is an equidigital number, since it uses as much as digits as its factorization.

57000011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35, while the sum is 14.

The square root of 57000011 is about 7549.8351637635. The cubic root of 57000011 is about 384.8501378841.

Adding to 57000011 its reverse (11000075), we get a palindrome (68000086).

The spelling of 57000011 in words is "fifty-seven million, eleven", and thus it is an aban number and an uban number.