57557833273 has 2 divisors, whose sum is σ = 57557833274. Its totient is φ = 57557833272.

The previous prime is 57557833261. The next prime is 57557833303. The reversal of 57557833273 is 37233875575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53859733929 + 3698099344 = 232077^2 + 60812^2 .

It is a cyclic number.

It is not a de Polignac number, because 57557833273 - 2⁵ = 57557833241 is a prime.

It is not a weakly prime, because it can be changed into another prime (57557833243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28778916636 + 28778916637.

It is an arithmetic number, because the mean of its divisors is an integer number (28778916637).

Almost surely, 2^57557833273 is an apocalyptic number.

It is an amenable number.

57557833273 is a deficient number, since it is larger than the sum of its proper divisors (1).

57557833273 is an equidigital number, since it uses as much as digits as its factorization.

57557833273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18522000, while the sum is 55.

The spelling of 57557833273 in words is "fifty-seven billion, five hundred fifty-seven million, eight hundred thirty-three thousand, two hundred seventy-three".