57030506569 has 2 divisors, whose sum is σ = 57030506570. Its totient is φ = 57030506568.

The previous prime is 57030506563. The next prime is 57030506587. The reversal of 57030506569 is 96560503075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55513014544 + 1517492025 = 235612^2 + 38955^2 .

It is a cyclic number.

It is not a de Polignac number, because 57030506569 - 2¹¹ = 57030504521 is a prime.

It is a super-2 number, since 2×57030506569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57030506563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28515253284 + 28515253285.

It is an arithmetic number, because the mean of its divisors is an integer number (28515253285).

Almost surely, 2^57030506569 is an apocalyptic number.

It is an amenable number.

57030506569 is a deficient number, since it is larger than the sum of its proper divisors (1).

57030506569 is an equidigital number, since it uses as much as digits as its factorization.

57030506569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 850500, while the sum is 46.

The spelling of 57030506569 in words is "fifty-seven billion, thirty million, five hundred six thousand, five hundred sixty-nine".