57455424817 has 4 divisors (see below), whose sum is σ = 65663342656. Its totient is φ = 49247506980.

The previous prime is 57455424791. The next prime is 57455424823. The reversal of 57455424817 is 71842455475.

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 not a de Polignac number, because 57455424817 - 2¹¹ = 57455422769 is a prime.

It is a super-2 number, since 2×57455424817² (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 (57455424317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4103958909 + ... + 4103958922.

It is an arithmetic number, because the mean of its divisors is an integer number (16415835664).

Almost surely, 2^57455424817 is an apocalyptic number.

It is an amenable number.

57455424817 is a deficient number, since it is larger than the sum of its proper divisors (8207917839).

57455424817 is an equidigital number, since it uses as much as digits as its factorization.

57455424817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207917838.

The product of its digits is 6272000, while the sum is 52.

The spelling of 57455424817 in words is "fifty-seven billion, four hundred fifty-five million, four hundred twenty-four thousand, eight hundred seventeen".