57369149 has 2 divisors, whose sum is σ = 57369150. Its totient is φ = 57369148.

The previous prime is 57369131. The next prime is 57369157. The reversal of 57369149 is 94196375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38663524 + 18705625 = 6218^2 + 4325^2 .

It is a cyclic number.

It is not a de Polignac number, because 57369149 - 2²⁴ = 40591933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57369119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28684574 + 28684575.

It is an arithmetic number, because the mean of its divisors is an integer number (28684575).

Almost surely, 2^57369149 is an apocalyptic number.

It is an amenable number.

57369149 is a deficient number, since it is larger than the sum of its proper divisors (1).

57369149 is an equidigital number, since it uses as much as digits as its factorization.

57369149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 44.

The square root of 57369149 is about 7574.2424703729. The cubic root of 57369149 is about 385.6791274179.

The spelling of 57369149 in words is "fifty-seven million, three hundred sixty-nine thousand, one hundred forty-nine".