57248576391 has 4 divisors (see below), whose sum is σ = 76331435192. Its totient is φ = 38165717592.

The previous prime is 57248576369. The next prime is 57248576417. The reversal of 57248576391 is 19367584275.

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

It is not a de Polignac number, because 57248576391 - 2¹¹ = 57248574343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57248576291) 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, 9541429396 + ... + 9541429401.

It is an arithmetic number, because the mean of its divisors is an integer number (19082858798).

Almost surely, 2^57248576391 is an apocalyptic number.

57248576391 is a deficient number, since it is larger than the sum of its proper divisors (19082858801).

57248576391 is a wasteful number, since it uses less digits than its factorization.

57248576391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19082858800.

The product of its digits is 12700800, while the sum is 57.

The spelling of 57248576391 in words is "fifty-seven billion, two hundred forty-eight million, five hundred seventy-six thousand, three hundred ninety-one".