550544357 has 4 divisors (see below), whose sum is σ = 600593856. Its totient is φ = 500494860.

The previous prime is 550544317. The next prime is 550544383. The reversal of 550544357 is 753445055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550544357 - 2¹⁶ = 550478821 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 550544357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550544317) 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 3 ways as a sum of consecutive naturals, for example, 25024733 + ... + 25024754.

It is an arithmetic number, because the mean of its divisors is an integer number (150148464).

Almost surely, 2^550544357 is an apocalyptic number.

It is an amenable number.

550544357 is a deficient number, since it is larger than the sum of its proper divisors (50049499).

550544357 is a wasteful number, since it uses less digits than its factorization.

550544357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50049498.

The product of its (nonzero) digits is 210000, while the sum is 38.

The square root of 550544357 is about 23463.6816591088. The cubic root of 550544357 is about 819.5914864839.

The spelling of 550544357 in words is "five hundred fifty million, five hundred forty-four thousand, three hundred fifty-seven".