57348446781 has 8 divisors (see below), whose sum is σ = 76468410720. Its totient is φ = 38230390352.

The previous prime is 57348446759. The next prime is 57348446843. The reversal of 57348446781 is 18764484375.

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 57348446781 - 2¹⁴ = 57348430397 is a prime.

It is a super-2 number, since 2×57348446781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57348466781) 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, 405186 + ... + 528083.

It is an arithmetic number, because the mean of its divisors is an integer number (9558551340).

Almost surely, 2^57348446781 is an apocalyptic number.

It is an amenable number.

57348446781 is a deficient number, since it is larger than the sum of its proper divisors (19119963939).

57348446781 is a wasteful number, since it uses less digits than its factorization.

57348446781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953755.

The product of its digits is 18063360, while the sum is 57.

The spelling of 57348446781 in words is "fifty-seven billion, three hundred forty-eight million, four hundred forty-six thousand, seven hundred eighty-one".