57405712537 has 2 divisors, whose sum is σ = 57405712538. Its totient is φ = 57405712536.

The previous prime is 57405712513. The next prime is 57405712543. The reversal of 57405712537 is 73521750475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44000935696 + 13404776841 = 209764^2 + 115779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57405712537 is a prime.

It is not a weakly prime, because it can be changed into another prime (57405712577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28702856268 + 28702856269.

It is an arithmetic number, because the mean of its divisors is an integer number (28702856269).

Almost surely, 2^57405712537 is an apocalyptic number.

It is an amenable number.

57405712537 is a deficient number, since it is larger than the sum of its proper divisors (1).

57405712537 is an equidigital number, since it uses as much as digits as its factorization.

57405712537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1029000, while the sum is 46.

The spelling of 57405712537 in words is "fifty-seven billion, four hundred five million, seven hundred twelve thousand, five hundred thirty-seven".