550764789 has 4 divisors (see below), whose sum is σ = 734353056. Its totient is φ = 367176524.

The previous prime is 550764787. The next prime is 550764803. The reversal of 550764789 is 987467055.

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 550764789 - 2¹ = 550764787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550764787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91794129 + ... + 91794134.

It is an arithmetic number, because the mean of its divisors is an integer number (183588264).

Almost surely, 2^550764789 is an apocalyptic number.

It is an amenable number.

550764789 is a deficient number, since it is larger than the sum of its proper divisors (183588267).

550764789 is a wasteful number, since it uses less digits than its factorization.

550764789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183588266.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 550764789 is about 23468.3784910675. The cubic root of 550764789 is about 819.7008570742.

The spelling of 550764789 in words is "five hundred fifty million, seven hundred sixty-four thousand, seven hundred eighty-nine".