550500000505 has 32 divisors (see below), whose sum is σ = 813127117824. Its totient is φ = 348413654016.

The previous prime is 550500000493. The next prime is 550500000509. The reversal of 550500000505 is 505000005055.

It is a cyclic number.

It is not a de Polignac number, because 550500000505 - 2³⁵ = 516140262137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550500000505.

It is not an unprimeable number, because it can be changed into a prime (550500000509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4976224 + ... + 5085646.

It is an arithmetic number, because the mean of its divisors is an integer number (25410222432).

Almost surely, 2^550500000505 is an apocalyptic number.

It is an amenable number.

550500000505 is a deficient number, since it is larger than the sum of its proper divisors (262627117319).

550500000505 is a wasteful number, since it uses less digits than its factorization.

550500000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120505.

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 550500000505 in words is "five hundred fifty billion, five hundred million, five hundred five", and thus it is an aban number.