55500555005 has 16 divisors (see below), whose sum is σ = 76121195904. Its totient is φ = 38054448960.

The previous prime is 55500555001. The next prime is 55500555023. The reversal of 55500555005 is 50055500555.

It is not a de Polignac number, because 55500555005 - 2² = 55500555001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500555001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428795 + ... + 543015.

It is an arithmetic number, because the mean of its divisors is an integer number (4757574744).

Almost surely, 2^55500555005 is an apocalyptic number.

It is an amenable number.

55500555005 is a deficient number, since it is larger than the sum of its proper divisors (20620640899).

55500555005 is a wasteful number, since it uses less digits than its factorization.

55500555005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128116.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55500555005 in words is "fifty-five billion, five hundred million, five hundred fifty-five thousand, five".