6555136 has 80 divisors (see below), whose sum is σ = 15713280. Its totient is φ = 2672640.

The previous prime is 6555119. The next prime is 6555139. The reversal of 6555136 is 6315556.

6555136 = T₃₂₈ + T₃₂₉ + ... + T₄₂₀.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 6555098 and 6555107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111075 + ... + 111133.

It is an arithmetic number, because the mean of its divisors is an integer number (196416).

Almost surely, 2^6555136 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 6555136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7856640).

6555136 is an abundant number, since it is smaller than the sum of its proper divisors (9158144).

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

6555136 is an equidigital number, since it uses as much as digits as its factorization.

6555136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 99 counting only the distinct ones).

The product of its digits is 13500, while the sum is 31.

The square root of 6555136 is about 2560.2999824239. The cubic root of 6555136 is about 187.1517541923.

The spelling of 6555136 in words is "six million, five hundred fifty-five thousand, one hundred thirty-six".