57537049 has 2 divisors, whose sum is σ = 57537050. Its totient is φ = 57537048.

The previous prime is 57537047. The next prime is 57537059. The reversal of 57537049 is 94073575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42575625 + 14961424 = 6525^2 + 3868^2 .

It is a cyclic number.

It is not a de Polignac number, because 57537049 - 2¹ = 57537047 is a prime.

Together with 57537047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57537041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28768524 + 28768525.

It is an arithmetic number, because the mean of its divisors is an integer number (28768525).

Almost surely, 2^57537049 is an apocalyptic number.

It is an amenable number.

57537049 is a deficient number, since it is larger than the sum of its proper divisors (1).

57537049 is an equidigital number, since it uses as much as digits as its factorization.

57537049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 57537049 is about 7585.3179893792. The cubic root of 57537049 is about 386.0550115337.

The spelling of 57537049 in words is "fifty-seven million, five hundred thirty-seven thousand, forty-nine".