56622747271146 has 16 divisors (see below), whose sum is σ = 129423422334144. Its totient is φ = 16177927791744.

The previous prime is 56622747271121. The next prime is 56622747271157. The reversal of 56622747271146 is 64117274722665.

It is a happy number.

It is a super-2 number, since 2×56622747271146² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56622747271146.

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, 674080324615 + ... + 674080324698.

It is an arithmetic number, because the mean of its divisors is an integer number (8088963895884).

Almost surely, 2^{56622747271146} is an apocalyptic number.

56622747271146 is an abundant number, since it is smaller than the sum of its proper divisors (72800675062998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56622747271146 is a wasteful number, since it uses less digits than its factorization.

56622747271146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348160649325.

The product of its digits is 47416320, while the sum is 60.

The spelling of 56622747271146 in words is "fifty-six trillion, six hundred twenty-two billion, seven hundred forty-seven million, two hundred seventy-one thousand, one hundred forty-six".