321055450552 has 8 divisors (see below), whose sum is σ = 601978969800. Its totient is φ = 160527725272.

The previous prime is 321055450517. The next prime is 321055450571. The reversal of 321055450552 is 255054550123.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065965652 + ... + 20065965667.

It is an arithmetic number, because the mean of its divisors is an integer number (75247371225).

Almost surely, 2^321055450552 is an apocalyptic number.

It is an amenable number.

321055450552 is a deficient number, since it is larger than the sum of its proper divisors (280923519248).

321055450552 is a wasteful number, since it uses less digits than its factorization.

321055450552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40131931325 (or 40131931321 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 321055450552 in words is "three hundred twenty-one billion, fifty-five million, four hundred fifty thousand, five hundred fifty-two".