57394360891 has 8 divisors (see below), whose sum is σ = 67366354400. Its totient is φ = 47865567168.

The previous prime is 57394360889. The next prime is 57394360921. The reversal of 57394360891 is 19806349375.

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

It is a cyclic number.

It is not a de Polignac number, because 57394360891 - 2¹ = 57394360889 is a prime.

It is a super-2 number, since 2×57394360891² (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 (57394360831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110799666 + ... + 110800183.

It is an arithmetic number, because the mean of its divisors is an integer number (8420794300).

Almost surely, 2^57394360891 is an apocalyptic number.

57394360891 is a deficient number, since it is larger than the sum of its proper divisors (9971993509).

57394360891 is a wasteful number, since it uses less digits than its factorization.

57394360891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221599893.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 57394360891 in words is "fifty-seven billion, three hundred ninety-four million, three hundred sixty thousand, eight hundred ninety-one".