5551043065 has 8 divisors (see below), whose sum is σ = 7053090120. Its totient is φ = 4179608832.

The previous prime is 5551043041. The next prime is 5551043081. The reversal of 5551043065 is 5603401555.

It can be written as a sum of positive squares in 4 ways, for example, as 340513209 + 5210529856 = 18453^2 + 72184^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5551043065 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5551043065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32653110 + ... + 32653279.

It is an arithmetic number, because the mean of its divisors is an integer number (881636265).

Almost surely, 2^5551043065 is an apocalyptic number.

It is an amenable number.

5551043065 is a deficient number, since it is larger than the sum of its proper divisors (1502047055).

5551043065 is a wasteful number, since it uses less digits than its factorization.

5551043065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65306411.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 5551043065 is about 74505.3223937726. The cubic root of 5551043065 is about 1770.6179617392.

The spelling of 5551043065 in words is "five billion, five hundred fifty-one million, forty-three thousand, sixty-five".