549998355 has 16 divisors (see below), whose sum is σ = 881917344. Its totient is φ = 292692480.

The previous prime is 549998321. The next prime is 549998363. The reversal of 549998355 is 553899945.

It is not a de Polignac number, because 549998355 - 2⁹ = 549997843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549998295 and 549998304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32854 + ... + 46683.

It is an arithmetic number, because the mean of its divisors is an integer number (55119834).

Almost surely, 2^549998355 is an apocalyptic number.

549998355 is a deficient number, since it is larger than the sum of its proper divisors (331918989).

549998355 is a wasteful number, since it uses less digits than its factorization.

549998355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80006.

The product of its digits is 8748000, while the sum is 57.

The square root of 549998355 is about 23452.0437275731. The cubic root of 549998355 is about 819.3204537614.

The spelling of 549998355 in words is "five hundred forty-nine million, nine hundred ninety-eight thousand, three hundred fifty-five".