3551525500 has 48 divisors (see below), whose sum is σ = 7804296864. Its totient is φ = 1411862400.

The previous prime is 3551525491. The next prime is 3551525507. The reversal of 3551525500 is 55251553.

It is a happy number.

It is a super-2 number, since 2×3551525500² = 25226666754300500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551525507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59712 + ... + 103288.

It is an arithmetic number, because the mean of its divisors is an integer number (162589518).

Almost surely, 2^3551525500 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 3551525500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3902148432).

3551525500 is an abundant number, since it is smaller than the sum of its proper divisors (4252771364).

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

3551525500 is a wasteful number, since it uses less digits than its factorization.

3551525500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43759 (or 43747 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 3551525500 is about 59594.6767756987. The cubic root of 3551525500 is about 1525.7087809799.

The spelling of 3551525500 in words is "three billion, five hundred fifty-one million, five hundred twenty-five thousand, five hundred".