57064481 has 2 divisors, whose sum is σ = 57064482. Its totient is φ = 57064480.

The previous prime is 57064477. The next prime is 57064487. The reversal of 57064481 is 18446075.

57064481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31460881 + 25603600 = 5609^2 + 5060^2 .

It is a cyclic number.

It is not a de Polignac number, because 57064481 - 2² = 57064477 is a prime.

It is a super-2 number, since 2×57064481² = 6512709983598722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57064487) 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 as a sum of consecutive naturals, namely, 28532240 + 28532241.

It is an arithmetic number, because the mean of its divisors is an integer number (28532241).

Almost surely, 2^57064481 is an apocalyptic number.

It is an amenable number.

57064481 is a deficient number, since it is larger than the sum of its proper divisors (1).

57064481 is an equidigital number, since it uses as much as digits as its factorization.

57064481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 57064481 is about 7554.1035867931. The cubic root of 57064481 is about 384.9951784408.

The spelling of 57064481 in words is "fifty-seven million, sixty-four thousand, four hundred eighty-one".