6551610500 has 48 divisors (see below), whose sum is σ = 14370383664. Its totient is φ = 2609350400.

The previous prime is 6551610479. The next prime is 6551610503. The reversal of 6551610500 is 50161556.

It can be written as a sum of positive squares in 8 ways, for example, as 2997781504 + 3553828996 = 54752^2 + 59614^2 .

It is not an unprimeable number, because it can be changed into a prime (6551610503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88382 + ... + 144618.

It is an arithmetic number, because the mean of its divisors is an integer number (299382993).

Almost surely, 2^6551610500 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 6551610500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7185191832).

6551610500 is an abundant number, since it is smaller than the sum of its proper divisors (7818773164).

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

6551610500 is a wasteful number, since it uses less digits than its factorization.

6551610500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56489 (or 56477 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 6551610500 is about 80942.0193718936. The cubic root of 6551610500 is about 1871.1819669728.

The spelling of 6551610500 in words is "six billion, five hundred fifty-one million, six hundred ten thousand, five hundred".