57244916837 has 2 divisors, whose sum is σ = 57244916838. Its totient is φ = 57244916836.

The previous prime is 57244916801. The next prime is 57244916843. The reversal of 57244916837 is 73861944275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30677872801 + 26567044036 = 175151^2 + 162994^2 .

It is a cyclic number.

It is not a de Polignac number, because 57244916837 - 2⁸ = 57244916581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57244913837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28622458418 + 28622458419.

It is an arithmetic number, because the mean of its divisors is an integer number (28622458419).

Almost surely, 2^57244916837 is an apocalyptic number.

It is an amenable number.

57244916837 is a deficient number, since it is larger than the sum of its proper divisors (1).

57244916837 is an equidigital number, since it uses as much as digits as its factorization.

57244916837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 56.

The spelling of 57244916837 in words is "fifty-seven billion, two hundred forty-four million, nine hundred sixteen thousand, eight hundred thirty-seven".