5555891465 has 16 divisors (see below), whose sum is σ = 7064331408. Its totient is φ = 4180248576.

The previous prime is 5555891459. The next prime is 5555891501. The reversal of 5555891465 is 5641985555.

It can be written as a sum of positive squares in 8 ways, for example, as 15768841 + 5540122624 = 3971^2 + 74432^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555891465 - 2³² = 1260924169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98999 + ... + 144611.

It is an arithmetic number, because the mean of its divisors is an integer number (441520713).

Almost surely, 2^5555891465 is an apocalyptic number.

It is an amenable number.

5555891465 is a deficient number, since it is larger than the sum of its proper divisors (1508439943).

5555891465 is a wasteful number, since it uses less digits than its factorization.

5555891465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47068.

The product of its digits is 5400000, while the sum is 53.

The square root of 5555891465 is about 74537.8525649888. The cubic root of 5555891465 is about 1771.1333102899.

The spelling of 5555891465 in words is "five billion, five hundred fifty-five million, eight hundred ninety-one thousand, four hundred sixty-five".