6552002556 has 72 divisors (see below), whose sum is σ = 18117275904. Its totient is φ = 1980001440.

The previous prime is 6552002549. The next prime is 6552002609.

6552002556 is a `hidden beast` number, since 65 + 520 + 0 + 25 + 56 = 666.

6552002556 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6552002556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122791 + ... + 167873.

It is an arithmetic number, because the mean of its divisors is an integer number (251628832).

Almost surely, 2^6552002556 is an apocalyptic number.

6552002556 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6552002556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9058637952).

6552002556 is an abundant number, since it is smaller than the sum of its proper divisors (11565273348).

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

6552002556 is a wasteful number, since it uses less digits than its factorization.

6552002556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45471 (or 45466 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 6552002556 is about 80944.4411680012. The cubic root of 6552002556 is about 1871.2192907974.

It can be divided in two parts, 655200 and 2556, that added together give a palindrome (657756).

The spelling of 6552002556 in words is "six billion, five hundred fifty-two million, two thousand, five hundred fifty-six".