545624636 has 6 divisors (see below), whose sum is σ = 954843120. Its totient is φ = 272812316.

The previous prime is 545624633. The next prime is 545624641. The reversal of 545624636 is 636426545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 545624593 and 545624602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545624633) 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 as a sum of consecutive naturals, namely, 68203076 + ... + 68203083.

It is an arithmetic number, because the mean of its divisors is an integer number (159140520).

Almost surely, 2^545624636 is an apocalyptic number.

It is an amenable number.

545624636 is a deficient number, since it is larger than the sum of its proper divisors (409218484).

545624636 is a wasteful number, since it uses less digits than its factorization.

545624636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136406163 (or 136406161 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

The square root of 545624636 is about 23358.6094620378. The cubic root of 545624636 is about 817.1428602691.

The spelling of 545624636 in words is "five hundred forty-five million, six hundred twenty-four thousand, six hundred thirty-six".