49218255 has 12 divisors (see below), whose sum is σ = 85311720. Its totient is φ = 26249712.

The previous prime is 49218233. The next prime is 49218269. The reversal of 49218255 is 55281294.

It is not a de Polignac number, because 49218255 - 2¹⁷ = 49087183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546825 + ... + 546914.

It is an arithmetic number, because the mean of its divisors is an integer number (7109310).

Almost surely, 2^49218255 is an apocalyptic number.

49218255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49218255 is a deficient number, since it is larger than the sum of its proper divisors (36093465).

49218255 is a wasteful number, since it uses less digits than its factorization.

49218255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093750 (or 1093747 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 49218255 is about 7015.5723216285. The cubic root of 49218255 is about 366.4730736540.

The spelling of 49218255 in words is "forty-nine million, two hundred eighteen thousand, two hundred fifty-five".