57426371881 has 8 divisors (see below), whose sum is σ = 57952369728. Its totient is φ = 56901702000.

The previous prime is 57426371861. The next prime is 57426371887. The reversal of 57426371881 is 18817362475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57426371881 is a prime.

It is a super-2 number, since 2×57426371881² (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 (57426371887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245005 + ... + 418186.

It is an arithmetic number, because the mean of its divisors is an integer number (7244046216).

Almost surely, 2^57426371881 is an apocalyptic number.

It is an amenable number.

57426371881 is a deficient number, since it is larger than the sum of its proper divisors (525997847).

57426371881 is a wasteful number, since it uses less digits than its factorization.

57426371881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663983.

The product of its digits is 2257920, while the sum is 52.

The spelling of 57426371881 in words is "fifty-seven billion, four hundred twenty-six million, three hundred seventy-one thousand, eight hundred eighty-one".