6550515004 has 24 divisors (see below), whose sum is σ = 13241149488. Its totient is φ = 2802359040.

The previous prime is 6550514981. The next prime is 6550515007. The reversal of 6550515004 is 4005150556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550515007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4377939 + ... + 4379434.

It is an arithmetic number, because the mean of its divisors is an integer number (551714562).

Almost surely, 2^6550515004 is an apocalyptic number.

It is an amenable number.

6550515004 is an abundant number, since it is smaller than the sum of its proper divisors (6690634484).

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

6550515004 is a wasteful number, since it uses less digits than its factorization.

6550515004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757405 (or 8757403 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 6550515004 is about 80935.2519239917. The cubic root of 6550515004 is about 1871.0776675986.

The spelling of 6550515004 in words is "six billion, five hundred fifty million, five hundred fifteen thousand, four".