57790549 has 2 divisors, whose sum is σ = 57790550. Its totient is φ = 57790548.

The previous prime is 57790543. The next prime is 57790553. The reversal of 57790549 is 94509775.

It is a happy number.

57790549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57653649 + 136900 = 7593^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 57790549 - 2⁹ = 57790037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57790499 and 57790508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57790543) 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, 28895274 + 28895275.

It is an arithmetic number, because the mean of its divisors is an integer number (28895275).

Almost surely, 2^57790549 is an apocalyptic number.

It is an amenable number.

57790549 is a deficient number, since it is larger than the sum of its proper divisors (1).

57790549 is an equidigital number, since it uses as much as digits as its factorization.

57790549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 57790549 is about 7602.0095369580. The cubic root of 57790549 is about 386.6211486087.

The spelling of 57790549 in words is "fifty-seven million, seven hundred ninety thousand, five hundred forty-nine".