56306220001644 has 48 divisors (see below), whose sum is σ = 139111253916768. Its totient is φ = 17664471810048.

The previous prime is 56306220001637. The next prime is 56306220001721. The reversal of 56306220001644 is 44610002260365.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14701564 + ... + 18131420.

It is an arithmetic number, because the mean of its divisors is an integer number (2898151123266).

Almost surely, 2^{56306220001644} is an apocalyptic number.

It is an amenable number.

56306220001644 is an abundant number, since it is smaller than the sum of its proper divisors (82805033915124).

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

56306220001644 is a wasteful number, since it uses less digits than its factorization.

56306220001644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510354 (or 3510352 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 56306220001644 in words is "fifty-six trillion, three hundred six billion, two hundred twenty million, one thousand, six hundred forty-four".