556121633 has 8 divisors (see below), whose sum is σ = 567216000. Its totient is φ = 545049648.

The previous prime is 556121563. The next prime is 556121647. The reversal of 556121633 is 336121655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556121633 - 2¹² = 556117537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556121633.

It is not an unprimeable number, because it can be changed into a prime (546121633) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50018 + ... + 60116.

It is an arithmetic number, because the mean of its divisors is an integer number (70902000).

Almost surely, 2^556121633 is an apocalyptic number.

556121633 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

556121633 is a deficient number, since it is larger than the sum of its proper divisors (11094367).

556121633 is a wasteful number, since it uses less digits than its factorization.

556121633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11191.

The product of its digits is 16200, while the sum is 32.

The square root of 556121633 is about 23582.2312981618. The cubic root of 556121633 is about 822.3498100690.

The spelling of 556121633 in words is "five hundred fifty-six million, one hundred twenty-one thousand, six hundred thirty-three".