545542227 has 12 divisors (see below), whose sum is σ = 789806160. Its totient is φ = 362863728.

The previous prime is 545542219. The next prime is 545542237. The reversal of 545542227 is 722245545.

It is not a de Polignac number, because 545542227 - 2³ = 545542219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545542191 and 545542200.

It is not an unprimeable number, because it can be changed into a prime (545542237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65088 + ... + 72989.

It is an arithmetic number, because the mean of its divisors is an integer number (65817180).

Almost surely, 2^545542227 is an apocalyptic number.

545542227 is a deficient number, since it is larger than the sum of its proper divisors (244263933).

545542227 is a wasteful number, since it uses less digits than its factorization.

545542227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138522 (or 138519 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 545542227 is about 23356.8453991544. The cubic root of 545542227 is about 817.1017188494.

The spelling of 545542227 in words is "five hundred forty-five million, five hundred forty-two thousand, two hundred twenty-seven".