56669771458 has 16 divisors (see below), whose sum is σ = 85541400000. Its totient is φ = 28156200912.

The previous prime is 56669771443. The next prime is 56669771489. The reversal of 56669771458 is 85417796665.

It is a super-2 number, since 2×56669771458² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56669771458.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444268 + ... + 557416.

It is an arithmetic number, because the mean of its divisors is an integer number (5346337500).

Almost surely, 2^56669771458 is an apocalyptic number.

56669771458 is a deficient number, since it is larger than the sum of its proper divisors (28871628542).

56669771458 is a wasteful number, since it uses less digits than its factorization.

56669771458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114729.

The product of its digits is 76204800, while the sum is 64.

The spelling of 56669771458 in words is "fifty-six billion, six hundred sixty-nine million, seven hundred seventy-one thousand, four hundred fifty-eight".