55552022665 has 16 divisors (see below), whose sum is σ = 67088120256. Its totient is φ = 44157960000.

The previous prime is 55552022653. The next prime is 55552022677. The reversal of 55552022665 is 56622025555.

It is an interprime number because it is at equal distance from previous prime (55552022653) and next prime (55552022677).

It is not a de Polignac number, because 55552022665 - 2¹¹ = 55552020617 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5284915 + ... + 5295415.

It is an arithmetic number, because the mean of its divisors is an integer number (4193007516).

Almost surely, 2^55552022665 is an apocalyptic number.

It is an amenable number.

55552022665 is a deficient number, since it is larger than the sum of its proper divisors (11536097591).

55552022665 is a wasteful number, since it uses less digits than its factorization.

55552022665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17160.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 55552022665 in words is "fifty-five billion, five hundred fifty-two million, twenty-two thousand, six hundred sixty-five".