57431128447 has 16 divisors (see below), whose sum is σ = 72002476800. Its totient is φ = 44501509440.

The previous prime is 57431128427. The next prime is 57431128453. The reversal of 57431128447 is 74482113475.

It is a cyclic number.

It is not a de Polignac number, because 57431128447 - 2¹⁹ = 57430604159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57431128397 and 57431128406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57431128427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2069622 + ... + 2097187.

It is an arithmetic number, because the mean of its divisors is an integer number (4500154800).

Almost surely, 2^57431128447 is an apocalyptic number.

57431128447 is a deficient number, since it is larger than the sum of its proper divisors (14571348353).

57431128447 is a wasteful number, since it uses less digits than its factorization.

57431128447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167006.

The product of its digits is 752640, while the sum is 46.

The spelling of 57431128447 in words is "fifty-seven billion, four hundred thirty-one million, one hundred twenty-eight thousand, four hundred forty-seven".