57141449 has 2 divisors, whose sum is σ = 57141450. Its totient is φ = 57141448.

The previous prime is 57141391. The next prime is 57141479. The reversal of 57141449 is 94414175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46676224 + 10465225 = 6832^2 + 3235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57141449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57141479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28570724 + 28570725.

It is an arithmetic number, because the mean of its divisors is an integer number (28570725).

Almost surely, 2^57141449 is an apocalyptic number.

It is an amenable number.

57141449 is a deficient number, since it is larger than the sum of its proper divisors (1).

57141449 is an equidigital number, since it uses as much as digits as its factorization.

57141449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 57141449 is about 7559.1963197155. The cubic root of 57141449 is about 385.1681932231.

The spelling of 57141449 in words is "fifty-seven million, one hundred forty-one thousand, four hundred forty-nine".