57884641 has 2 divisors, whose sum is σ = 57884642. Its totient is φ = 57884640.

The previous prime is 57884633. The next prime is 57884647. The reversal of 57884641 is 14648875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42510400 + 15374241 = 6520^2 + 3921^2 .

It is a cyclic number.

It is not a de Polignac number, because 57884641 - 2³ = 57884633 is a prime.

It is not a weakly prime, because it can be changed into another prime (57884647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28942320 + 28942321.

It is an arithmetic number, because the mean of its divisors is an integer number (28942321).

Almost surely, 2^57884641 is an apocalyptic number.

It is an amenable number.

57884641 is a deficient number, since it is larger than the sum of its proper divisors (1).

57884641 is an equidigital number, since it uses as much as digits as its factorization.

57884641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 43.

The square root of 57884641 is about 7608.1956468009. The cubic root of 57884641 is about 386.8308612843.

The spelling of 57884641 in words is "fifty-seven million, eight hundred eighty-four thousand, six hundred forty-one".