56506162215522 has 8 divisors (see below), whose sum is σ = 113012324431056. Its totient is φ = 18835387405172.

The previous prime is 56506162215509. The next prime is 56506162215577. The reversal of 56506162215522 is 22551226160565.

It is a happy number.

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

56506162215522 is an admirable number.

It is a super-2 number, since 2×56506162215522² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4708846851288 + ... + 4708846851299.

It is an arithmetic number, because the mean of its divisors is an integer number (14126540553882).

Almost surely, 2^{56506162215522} is an apocalyptic number.

56506162215522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56506162215522 is a wasteful number, since it uses less digits than its factorization.

56506162215522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9417693702592.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 56506162215522 in words is "fifty-six trillion, five hundred six billion, one hundred sixty-two million, two hundred fifteen thousand, five hundred twenty-two".