57228912763 has 4 divisors (see below), whose sum is σ = 62431541208. Its totient is φ = 52026284320.

The previous prime is 57228912751. The next prime is 57228912803. The reversal of 57228912763 is 36721982275.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57228912763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57228912763.

It is not an unprimeable number, because it can be changed into a prime (57228915763) 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, 2601314206 + ... + 2601314227.

It is an arithmetic number, because the mean of its divisors is an integer number (15607885302).

Almost surely, 2^57228912763 is an apocalyptic number.

57228912763 is a deficient number, since it is larger than the sum of its proper divisors (5202628445).

57228912763 is a wasteful number, since it uses less digits than its factorization.

57228912763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202628444.

The product of its digits is 2540160, while the sum is 52.

The spelling of 57228912763 in words is "fifty-seven billion, two hundred twenty-eight million, nine hundred twelve thousand, seven hundred sixty-three".