545507226 has 48 divisors (see below), whose sum is σ = 1333856160. Its totient is φ = 159603360.

The previous prime is 545507219. The next prime is 545507227. The reversal of 545507226 is 622705545.

It is not an unprimeable number, because it can be changed into a prime (545507227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41760 + ... + 53243.

It is an arithmetic number, because the mean of its divisors is an integer number (27788670).

Almost surely, 2^545507226 is an apocalyptic number.

545507226 is an abundant number, since it is smaller than the sum of its proper divisors (788348934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545507226 is a wasteful number, since it uses less digits than its factorization.

545507226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95051 (or 95048 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 545507226 is about 23356.0961207133. The cubic root of 545507226 is about 817.0842438875.

It can be divided in two parts, 54550 and 7226, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 545507226 in words is "five hundred forty-five million, five hundred seven thousand, two hundred twenty-six".