551935990 has 8 divisors (see below), whose sum is σ = 993484800. Its totient is φ = 220774392.

The previous prime is 551935987. The next prime is 551936009. The reversal of 551935990 is 99539155.

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

It is a self number, because there is not a number n which added to its sum of digits gives 551935990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27596790 + ... + 27596809.

It is an arithmetic number, because the mean of its divisors is an integer number (124185600).

Almost surely, 2^551935990 is an apocalyptic number.

551935990 is a deficient number, since it is larger than the sum of its proper divisors (441548810).

551935990 is a wasteful number, since it uses less digits than its factorization.

551935990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55193606.

The product of its (nonzero) digits is 273375, while the sum is 46.

The square root of 551935990 is about 23493.3179861849. The cubic root of 551935990 is about 820.2814768361.

The spelling of 551935990 in words is "five hundred fifty-one million, nine hundred thirty-five thousand, nine hundred ninety".