6550340520 has 64 divisors (see below), whose sum is σ = 19764673920. Its totient is φ = 1736655104.

The previous prime is 6550340501. The next prime is 6550340551. The reversal of 6550340520 is 250430556.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137004 + ... + 178523.

It is an arithmetic number, because the mean of its divisors is an integer number (308823030).

Almost surely, 2^6550340520 is an apocalyptic number.

6550340520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6550340520 is an abundant number, since it is smaller than the sum of its proper divisors (13214333400).

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

6550340520 is a wasteful number, since it uses less digits than its factorization.

6550340520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315714 (or 315710 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 6550340520 is about 80934.1739934374. The cubic root of 6550340520 is about 1871.0610543494.

The spelling of 6550340520 in words is "six billion, five hundred fifty million, three hundred forty thousand, five hundred twenty".