57377449 has 2 divisors, whose sum is σ = 57377450. Its totient is φ = 57377448.

The previous prime is 57377423. The next prime is 57377477. The reversal of 57377449 is 94477375.

57377449 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., 47169424 + 10208025 = 6868^2 + 3195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57377449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57377399 and 57377408.

It is not a weakly prime, because it can be changed into another prime (57377849) 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, 28688724 + 28688725.

It is an arithmetic number, because the mean of its divisors is an integer number (28688725).

Almost surely, 2^57377449 is an apocalyptic number.

It is an amenable number.

57377449 is a deficient number, since it is larger than the sum of its proper divisors (1).

57377449 is an equidigital number, since it uses as much as digits as its factorization.

57377449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 46.

The square root of 57377449 is about 7574.7903601354. The cubic root of 57377449 is about 385.6977261622.

The spelling of 57377449 in words is "fifty-seven million, three hundred seventy-seven thousand, four hundred forty-nine".