57144337 has 2 divisors, whose sum is σ = 57144338. Its totient is φ = 57144336.

The previous prime is 57144323. The next prime is 57144359. The reversal of 57144337 is 73344175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57017601 + 126736 = 7551^2 + 356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57144337 is a prime.

It is not a weakly prime, because it can be changed into another prime (57144937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28572168 + 28572169.

It is an arithmetic number, because the mean of its divisors is an integer number (28572169).

Almost surely, 2^57144337 is an apocalyptic number.

It is an amenable number.

57144337 is a deficient number, since it is larger than the sum of its proper divisors (1).

57144337 is an equidigital number, since it uses as much as digits as its factorization.

57144337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 34.

The square root of 57144337 is about 7559.3873429002. The cubic root of 57144337 is about 385.1746820739.

The spelling of 57144337 in words is "fifty-seven million, one hundred forty-four thousand, three hundred thirty-seven".