56728911298 has 8 divisors (see below), whose sum is σ = 85150750608. Its totient is φ = 28345327764.

The previous prime is 56728911293. The next prime is 56728911329. The reversal of 56728911298 is 89211982765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (56728911293) 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, 9560236 + ... + 9566167.

It is an arithmetic number, because the mean of its divisors is an integer number (10643843826).

Almost surely, 2^56728911298 is an apocalyptic number.

56728911298 is a deficient number, since it is larger than the sum of its proper divisors (28421839310).

56728911298 is a wasteful number, since it uses less digits than its factorization.

56728911298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19127888.

The product of its digits is 4354560, while the sum is 58.

The spelling of 56728911298 in words is "fifty-six billion, seven hundred twenty-eight million, nine hundred eleven thousand, two hundred ninety-eight".