57424431745 has 4 divisors (see below), whose sum is σ = 68909318100. Its totient is φ = 45939545392.

The previous prime is 57424431737. The next prime is 57424431763. The reversal of 57424431745 is 54713442475.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34448844816 + 22975586929 = 185604^2 + 151577^2 .

It is a cyclic number.

It is not a de Polignac number, because 57424431745 - 2³ = 57424431737 is a prime.

It is a super-2 number, since 2×57424431745² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57424431695 and 57424431704.

It is an unprimeable number.

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, 5742443170 + ... + 5742443179.

It is an arithmetic number, because the mean of its divisors is an integer number (17227329525).

Almost surely, 2^57424431745 is an apocalyptic number.

It is an amenable number.

57424431745 is a deficient number, since it is larger than the sum of its proper divisors (11484886355).

57424431745 is a wasteful number, since it uses less digits than its factorization.

57424431745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11484886354.

The product of its digits is 1881600, while the sum is 46.

The spelling of 57424431745 in words is "fifty-seven billion, four hundred twenty-four million, four hundred thirty-one thousand, seven hundred forty-five".