57005860081 has 3 divisors (see below), whose sum is σ = 57006098841. Its totient is φ = 57005621322.

The previous prime is 57005860069. The next prime is 57005860097. The reversal of 57005860081 is 18006850075.

The square root of 57005860081 is 238759.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 57005860081 - 2¹¹ = 57005858033 is a prime.

It is a super-2 number, since 2×57005860081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57005860061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 119380 + ... + 358138.

It is an arithmetic number, because the mean of its divisors is an integer number (19002032947).

Almost surely, 2^57005860081 is an apocalyptic number.

57005860081 is the 238759-th square number.

57005860081 is the 119380-th centered octagonal number.

It is an amenable number.

57005860081 is a deficient number, since it is larger than the sum of its proper divisors (238760).

57005860081 is an frugal number, since it uses more digits than its factorization.

57005860081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477518 (or 238759 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 57005860081 in words is "fifty-seven billion, five million, eight hundred sixty thousand, eighty-one".