545526920 has 16 divisors (see below), whose sum is σ = 1227435660. Its totient is φ = 218210752.

The previous prime is 545526901. The next prime is 545526953. The reversal of 545526920 is 29625545.

It can be written as a sum of positive squares in 2 ways, for example, as 529092004 + 16434916 = 23002^2 + 4054^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6819047 + ... + 6819126.

Almost surely, 2^545526920 is an apocalyptic number.

It is an amenable number.

545526920 is an abundant number, since it is smaller than the sum of its proper divisors (681908740).

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

545526920 is a wasteful number, since it uses less digits than its factorization.

545526920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13638184 (or 13638180 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 545526920 is about 23356.5177198999. The cubic root of 545526920 is about 817.0940766099.

The spelling of 545526920 in words is "five hundred forty-five million, five hundred twenty-six thousand, nine hundred twenty".