57202012537 has 2 divisors, whose sum is σ = 57202012538. Its totient is φ = 57202012536.

The previous prime is 57202012531. The next prime is 57202012577. The reversal of 57202012537 is 73521020275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56443781241 + 758231296 = 237579^2 + 27536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57202012537 is a prime.

It is not a weakly prime, because it can be changed into another prime (57202012531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28601006268 + 28601006269.

It is an arithmetic number, because the mean of its divisors is an integer number (28601006269).

Almost surely, 2^57202012537 is an apocalyptic number.

It is an amenable number.

57202012537 is a deficient number, since it is larger than the sum of its proper divisors (1).

57202012537 is an equidigital number, since it uses as much as digits as its factorization.

57202012537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 57202012537 in words is "fifty-seven billion, two hundred two million, twelve thousand, five hundred thirty-seven".