550354021 has 8 divisors (see below), whose sum is σ = 645975680. Its totient is φ = 458982288.

The previous prime is 550354003. The next prime is 550354109. The reversal of 550354021 is 120453055.

550354021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 550354021 - 2⁷ = 550353893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550354121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062201 + ... + 1062718.

It is an arithmetic number, because the mean of its divisors is an integer number (80746960).

Almost surely, 2^550354021 is an apocalyptic number.

It is an amenable number.

550354021 is a deficient number, since it is larger than the sum of its proper divisors (95621659).

550354021 is a wasteful number, since it uses less digits than its factorization.

550354021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124963.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 550354021 is about 23459.6253380142. The cubic root of 550354021 is about 819.4970249786.

The spelling of 550354021 in words is "five hundred fifty million, three hundred fifty-four thousand, twenty-one".