550047751 has 4 divisors (see below), whose sum is σ = 600052104. Its totient is φ = 500043400.

The previous prime is 550047749. The next prime is 550047761. The reversal of 550047751 is 157740055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550047751 - 2¹ = 550047749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550047761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25002160 + ... + 25002181.

It is an arithmetic number, because the mean of its divisors is an integer number (150013026).

Almost surely, 2^550047751 is an apocalyptic number.

550047751 is a deficient number, since it is larger than the sum of its proper divisors (50004353).

550047751 is a wasteful number, since it uses less digits than its factorization.

550047751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50004352.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 550047751 is about 23453.0968317619. The cubic root of 550047751 is about 819.3449810720.

The spelling of 550047751 in words is "five hundred fifty million, forty-seven thousand, seven hundred fifty-one".