57751144441 has 4 divisors (see below), whose sum is σ = 57751654032. Its totient is φ = 57750634852.

The previous prime is 57751144421. The next prime is 57751144457. The reversal of 57751144441 is 14444115775.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57751144441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57751144421) 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, 390 + ... + 339856.

It is an arithmetic number, because the mean of its divisors is an integer number (14437913508).

Almost surely, 2^57751144441 is an apocalyptic number.

It is an amenable number.

57751144441 is a deficient number, since it is larger than the sum of its proper divisors (509591).

57751144441 is a wasteful number, since it uses less digits than its factorization.

57751144441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509590.

The product of its digits is 313600, while the sum is 43.

The spelling of 57751144441 in words is "fifty-seven billion, seven hundred fifty-one million, one hundred forty-four thousand, four hundred forty-one".