4521551100 has 144 divisors (see below), whose sum is σ = 14298001536. Its totient is φ = 1094112000.

The previous prime is 4521551059. The next prime is 4521551101. The reversal of 4521551100 is 11551254.

It is a super-2 number, since 2×4521551100² = 40888848699822420000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521551101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2596230 + ... + 2597970.

Almost surely, 2^4521551100 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 4521551100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7149000768).

4521551100 is an abundant number, since it is smaller than the sum of its proper divisors (9776450436).

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

4521551100 is a wasteful number, since it uses less digits than its factorization.

4521551100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 4521551100 is about 67242.4798769349. The cubic root of 4521551100 is about 1653.5949898959.

The spelling of 4521551100 in words is "four billion, five hundred twenty-one million, five hundred fifty-one thousand, one hundred".