55805258005 has 32 divisors (see below), whose sum is σ = 78207575040. Its totient is φ = 37430104320.

The previous prime is 55805257999. The next prime is 55805258011. The reversal of 55805258005 is 50085250855.

It is an interprime number because it is at equal distance from previous prime (55805257999) and next prime (55805258011).

It is not a de Polignac number, because 55805258005 - 2¹³ = 55805249813 is a prime.

It is a super-2 number, since 2×55805258005² (a number of 22 digits) contains 22 as substring.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 3052231 + ... + 3070459.

It is an arithmetic number, because the mean of its divisors is an integer number (2443986720).

Almost surely, 2^55805258005 is an apocalyptic number.

It is an amenable number.

55805258005 is a deficient number, since it is larger than the sum of its proper divisors (22402317035).

55805258005 is a wasteful number, since it uses less digits than its factorization.

55805258005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20149.

The product of its (nonzero) digits is 400000, while the sum is 43.

The spelling of 55805258005 in words is "fifty-five billion, eight hundred five million, two hundred fifty-eight thousand, five".