3521604552 has 64 divisors (see below), whose sum is σ = 9291672000. Its totient is φ = 1109170944.

The previous prime is 3521604523. The next prime is 3521604563. The reversal of 3521604552 is 2554061253.

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, 167458 + ... + 187310.

It is an arithmetic number, because the mean of its divisors is an integer number (145182375).

Almost surely, 2^3521604552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3521604552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4645836000).

3521604552 is an abundant number, since it is smaller than the sum of its proper divisors (5770067448).

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

3521604552 is a wasteful number, since it uses less digits than its factorization.

3521604552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20270 (or 20266 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 3521604552 is about 59343.1087153344. The cubic root of 3521604552 is about 1521.4120868815.

The spelling of 3521604552 in words is "three billion, five hundred twenty-one million, six hundred four thousand, five hundred fifty-two".