545622836 has 24 divisors (see below), whose sum is σ = 1086934464. Its totient is φ = 237226880.

The previous prime is 545622821. The next prime is 545622839. The reversal of 545622836 is 638226545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 545622793 and 545622802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545622839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268565 + ... + 270588.

It is an arithmetic number, because the mean of its divisors is an integer number (45288936).

Almost surely, 2^545622836 is an apocalyptic number.

It is an amenable number.

545622836 is a deficient number, since it is larger than the sum of its proper divisors (541311628).

545622836 is a wasteful number, since it uses less digits than its factorization.

545622836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539191 (or 539189 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The square root of 545622836 is about 23358.5709323152. The cubic root of 545622836 is about 817.1419616912.

The spelling of 545622836 in words is "five hundred forty-five million, six hundred twenty-two thousand, eight hundred thirty-six".