6530278436552 has 24 divisors (see below), whose sum is σ = 13258590467490. Its totient is φ = 3013974662400.

The previous prime is 6530278436527. The next prime is 6530278436569. The reversal of 6530278436552 is 2556348720356.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1453341158116 + 5076937278436 = 1205546^2 + 2253206^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2415042449 + ... + 2415045152.

Almost surely, 2^{6530278436552} is an apocalyptic number.

It is an amenable number.

6530278436552 is an abundant number, since it is smaller than the sum of its proper divisors (6728312030938).

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

6530278436552 is a wasteful number, since it uses less digits than its factorization.

6530278436552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830087633 (or 4830087616 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 56.

The spelling of 6530278436552 in words is "six trillion, five hundred thirty billion, two hundred seventy-eight million, four hundred thirty-six thousand, five hundred fifty-two".