5721221552 has 20 divisors (see below), whose sum is σ = 11342655720. Its totient is φ = 2794084608.

The previous prime is 5721221507. The next prime is 5721221573. The reversal of 5721221552 is 2551221275.

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, 4157177 + ... + 4158552.

It is an arithmetic number, because the mean of its divisors is an integer number (567132786).

Almost surely, 2^5721221552 is an apocalyptic number.

It is an amenable number.

5721221552 is a deficient number, since it is larger than the sum of its proper divisors (5621434168).

5721221552 is a wasteful number, since it uses less digits than its factorization.

5721221552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315780 (or 8315774 counting only the distinct ones).

The product of its digits is 14000, while the sum is 32.

The square root of 5721221552 is about 75638.7569437785. The cubic root of 5721221552 is about 1788.5301075539.

The spelling of 5721221552 in words is "five billion, seven hundred twenty-one million, two hundred twenty-one thousand, five hundred fifty-two".