550421396 has 24 divisors (see below), whose sum is σ = 1101836736. Its totient is φ = 235681920.

The previous prime is 550421383. The next prime is 550421401. The reversal of 550421396 is 693124055.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 24956 + ... + 41516.

It is an arithmetic number, because the mean of its divisors is an integer number (45909864).

Almost surely, 2^550421396 is an apocalyptic number.

It is an amenable number.

550421396 is an abundant number, since it is smaller than the sum of its proper divisors (551415340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550421396 is a wasteful number, since it uses less digits than its factorization.

550421396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17759 (or 17757 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 550421396 is about 23461.0612718180. The cubic root of 550421396 is about 819.5304648840.

The spelling of 550421396 in words is "five hundred fifty million, four hundred twenty-one thousand, three hundred ninety-six".