57285611 has 2 divisors, whose sum is σ = 57285612. Its totient is φ = 57285610.

The previous prime is 57285607. The next prime is 57285623. The reversal of 57285611 is 11658275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57285611 - 2² = 57285607 is a prime.

It is not a weakly prime, because it can be changed into another prime (57285661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28642805 + 28642806.

It is an arithmetic number, because the mean of its divisors is an integer number (28642806).

Almost surely, 2^57285611 is an apocalyptic number.

57285611 is a deficient number, since it is larger than the sum of its proper divisors (1).

57285611 is an equidigital number, since it uses as much as digits as its factorization.

57285611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 35.

The square root of 57285611 is about 7568.7258504982. The cubic root of 57285611 is about 385.4918344526.

The spelling of 57285611 in words is "fifty-seven million, two hundred eighty-five thousand, six hundred eleven".