57326046881 has 4 divisors (see below), whose sum is σ = 58133456064. Its totient is φ = 56518637700.

The previous prime is 57326046847. The next prime is 57326046893. The reversal of 57326046881 is 18864062375.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57326046881 is a prime.

It is a super-2 number, since 2×57326046881² (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 (57326046181) 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 3 ways as a sum of consecutive naturals, for example, 403704485 + ... + 403704626.

It is an arithmetic number, because the mean of its divisors is an integer number (14533364016).

Almost surely, 2^57326046881 is an apocalyptic number.

It is an amenable number.

57326046881 is a deficient number, since it is larger than the sum of its proper divisors (807409183).

57326046881 is an equidigital number, since it uses as much as digits as its factorization.

57326046881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807409182.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 57326046881 in words is "fifty-seven billion, three hundred twenty-six million, forty-six thousand, eight hundred eighty-one".