5546312887 has 2 divisors, whose sum is σ = 5546312888. Its totient is φ = 5546312886.

The previous prime is 5546312869. The next prime is 5546312921. The reversal of 5546312887 is 7882136455.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5546312887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5546312887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5546312087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2773156443 + 2773156444.

It is an arithmetic number, because the mean of its divisors is an integer number (2773156444).

Almost surely, 2^5546312887 is an apocalyptic number.

5546312887 is a deficient number, since it is larger than the sum of its proper divisors (1).

5546312887 is an equidigital number, since it uses as much as digits as its factorization.

5546312887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 49.

The square root of 5546312887 is about 74473.5717352136. The cubic root of 5546312887 is about 1770.1148900282.

The spelling of 5546312887 in words is "five billion, five hundred forty-six million, three hundred twelve thousand, eight hundred eighty-seven".