554640236 has 6 divisors (see below), whose sum is σ = 970620420. Its totient is φ = 277320116.

The previous prime is 554640227. The next prime is 554640269. The reversal of 554640236 is 632046455.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 554640196 and 554640205.

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 as a sum of consecutive naturals, namely, 69330026 + ... + 69330033.

It is an arithmetic number, because the mean of its divisors is an integer number (161770070).

Almost surely, 2^554640236 is an apocalyptic number.

It is an amenable number.

554640236 is a deficient number, since it is larger than the sum of its proper divisors (415980184).

554640236 is a wasteful number, since it uses less digits than its factorization.

554640236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138660063 (or 138660061 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 554640236 is about 23550.8011753316. The cubic root of 554640236 is about 821.6189688423.

The spelling of 554640236 in words is "five hundred fifty-four million, six hundred forty thousand, two hundred thirty-six".