56711917582 has 8 divisors (see below), whose sum is σ = 87142702752. Its totient is φ = 27664350000.

The previous prime is 56711917513. The next prime is 56711917583. The reversal of 56711917582 is 28571911765.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56711917583) 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, 345804294 + ... + 345804457.

It is an arithmetic number, because the mean of its divisors is an integer number (10892837844).

Almost surely, 2^56711917582 is an apocalyptic number.

56711917582 is a deficient number, since it is larger than the sum of its proper divisors (30430785170).

56711917582 is a wasteful number, since it uses less digits than its factorization.

56711917582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691608794.

The product of its digits is 1058400, while the sum is 52.

The spelling of 56711917582 in words is "fifty-six billion, seven hundred eleven million, nine hundred seventeen thousand, five hundred eighty-two".