548322643087 has 4 divisors (see below), whose sum is σ = 548380596400. Its totient is φ = 548264689776.

The previous prime is 548322643013. The next prime is 548322643097. The reversal of 548322643087 is 780346223845.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548322643087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548322643097) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28962462 + ... + 28981387.

It is an arithmetic number, because the mean of its divisors is an integer number (137095149100).

Almost surely, 2^548322643087 is an apocalyptic number.

548322643087 is a deficient number, since it is larger than the sum of its proper divisors (57953313).

548322643087 is an equidigital number, since it uses as much as digits as its factorization.

548322643087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57953312.

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 548322643087 in words is "five hundred forty-eight billion, three hundred twenty-two million, six hundred forty-three thousand, eighty-seven".