57543074737 has 2 divisors, whose sum is σ = 57543074738. Its totient is φ = 57543074736.

The previous prime is 57543074683. The next prime is 57543074807. The reversal of 57543074737 is 73747034575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47234936896 + 10308137841 = 217336^2 + 101529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57543074737 is a prime.

It is a super-2 number, since 2×57543074737² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57543074437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28771537368 + 28771537369.

It is an arithmetic number, because the mean of its divisors is an integer number (28771537369).

Almost surely, 2^57543074737 is an apocalyptic number.

It is an amenable number.

57543074737 is a deficient number, since it is larger than the sum of its proper divisors (1).

57543074737 is an equidigital number, since it uses as much as digits as its factorization.

57543074737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8643600, while the sum is 52.

The spelling of 57543074737 in words is "fifty-seven billion, five hundred forty-three million, seventy-four thousand, seven hundred thirty-seven".