57561888906583 has 2 divisors, whose sum is σ = 57561888906584. Its totient is φ = 57561888906582.

The previous prime is 57561888906569. The next prime is 57561888906601. The reversal of 57561888906583 is 38560988816575.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57561888906583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57561888906563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28780944453291 + 28780944453292.

It is an arithmetic number, because the mean of its divisors is an integer number (28780944453292).

Almost surely, 2^{57561888906583} is an apocalyptic number.

57561888906583 is a deficient number, since it is larger than the sum of its proper divisors (1).

57561888906583 is an equidigital number, since it uses as much as digits as its factorization.

57561888906583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648000, while the sum is 79.

The spelling of 57561888906583 in words is "fifty-seven trillion, five hundred sixty-one billion, eight hundred eighty-eight million, nine hundred six thousand, five hundred eighty-three".