545022636 has 48 divisors (see below), whose sum is σ = 1317708000. Its totient is φ = 175124992.

The previous prime is 545022587. The next prime is 545022677. The reversal of 545022636 is 636220545.

It is a junction number, because it is equal to n+sod(n) for n = 545022597 and 545022606.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 364306 + ... + 365798.

It is an arithmetic number, because the mean of its divisors is an integer number (27452250).

Almost surely, 2^545022636 is an apocalyptic number.

It is an amenable number.

545022636 is an abundant number, since it is smaller than the sum of its proper divisors (772685364).

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

545022636 is a wasteful number, since it uses less digits than its factorization.

545022636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578 (or 2576 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 545022636 is about 23345.7198646776. The cubic root of 545022636 is about 816.8422256106.

The spelling of 545022636 in words is "five hundred forty-five million, twenty-two thousand, six hundred thirty-six".