3552500 has 90 divisors (see below), whose sum is σ = 9348570. Its totient is φ = 1176000.

The previous prime is 3552491. The next prime is 3552503. The reversal of 3552500 is 52553.

It can be written as a sum of positive squares in 5 ways, for example, as 1350244 + 2202256 = 1162^2 + 1484^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3552503) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 122486 + ... + 122514.

It is an arithmetic number, because the mean of its divisors is an integer number (103873).

Almost surely, 2^3552500 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 3552500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4674285).

3552500 is an abundant number, since it is smaller than the sum of its proper divisors (5796070).

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

3552500 is a wasteful number, since it uses less digits than its factorization.

3552500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 3552500 is about 1884.8076824971. The cubic root of 3552500 is about 152.5848314188.

The spelling of 3552500 in words is "three million, five hundred fifty-two thousand, five hundred".