57435949 has 2 divisors, whose sum is σ = 57435950. Its totient is φ = 57435948.

The previous prime is 57435929. The next prime is 57435971. The reversal of 57435949 is 94953475.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47513449 + 9922500 = 6893^2 + 3150^2 .

It is a cyclic number.

It is not a de Polignac number, because 57435949 - 2⁹ = 57435437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57435899 and 57435908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57435919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28717974 + 28717975.

It is an arithmetic number, because the mean of its divisors is an integer number (28717975).

Almost surely, 2^57435949 is an apocalyptic number.

It is an amenable number.

57435949 is a deficient number, since it is larger than the sum of its proper divisors (1).

57435949 is an equidigital number, since it uses as much as digits as its factorization.

57435949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 46.

The square root of 57435949 is about 7578.6508693830. The cubic root of 57435949 is about 385.8287628526.

The spelling of 57435949 in words is "fifty-seven million, four hundred thirty-five thousand, nine hundred forty-nine".