57475349 has 2 divisors, whose sum is σ = 57475350. Its totient is φ = 57475348.

The previous prime is 57475337. The next prime is 57475357. The reversal of 57475349 is 94357475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31024900 + 26450449 = 5570^2 + 5143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57475349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57475049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28737674 + 28737675.

It is an arithmetic number, because the mean of its divisors is an integer number (28737675).

Almost surely, 2^57475349 is an apocalyptic number.

It is an amenable number.

57475349 is a deficient number, since it is larger than the sum of its proper divisors (1).

57475349 is an equidigital number, since it uses as much as digits as its factorization.

57475349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 44.

The square root of 57475349 is about 7581.2498309975. The cubic root of 57475349 is about 385.9169664883.

The spelling of 57475349 in words is "fifty-seven million, four hundred seventy-five thousand, three hundred forty-nine".