550798505 has 16 divisors (see below), whose sum is σ = 705285120. Its totient is φ = 411723648.

The previous prime is 550798489. The next prime is 550798519. The reversal of 550798505 is 505897055.

It is a cyclic number.

It is not a de Polignac number, because 550798505 - 2⁴ = 550798489 is a prime.

It is a super-2 number, since 2×550798505² = 606757986220470050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32777 + ... + 46646.

It is an arithmetic number, because the mean of its divisors is an integer number (44080320).

Almost surely, 2^550798505 is an apocalyptic number.

It is an amenable number.

550798505 is a deficient number, since it is larger than the sum of its proper divisors (154486615).

550798505 is a wasteful number, since it uses less digits than its factorization.

550798505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79520.

The product of its (nonzero) digits is 315000, while the sum is 44.

The square root of 550798505 is about 23469.0968083563. The cubic root of 550798505 is about 819.7175831919.

The spelling of 550798505 in words is "five hundred fifty million, seven hundred ninety-eight thousand, five hundred five".