57452149 has 2 divisors, whose sum is σ = 57452150. Its totient is φ = 57452148.

The previous prime is 57452141. The next prime is 57452167. The reversal of 57452149 is 94125475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41049649 + 16402500 = 6407^2 + 4050^2 .

It is a cyclic number.

It is not a de Polignac number, because 57452149 - 2³ = 57452141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57452141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28726074 + 28726075.

It is an arithmetic number, because the mean of its divisors is an integer number (28726075).

Almost surely, 2^57452149 is an apocalyptic number.

It is an amenable number.

57452149 is a deficient number, since it is larger than the sum of its proper divisors (1).

57452149 is an equidigital number, since it uses as much as digits as its factorization.

57452149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 57452149 is about 7579.7195858422. The cubic root of 57452149 is about 385.8650342036.

The spelling of 57452149 in words is "fifty-seven million, four hundred fifty-two thousand, one hundred forty-nine".