550899751 has 4 divisors (see below), whose sum is σ = 550946872. Its totient is φ = 550852632.

The previous prime is 550899707. The next prime is 550899761. The reversal of 550899751 is 157998055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 157998055 = 5 ⋅31599611.

It is a cyclic number.

It is not a de Polignac number, because 550899751 - 2¹¹ = 550897703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550899695 and 550899704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550899761) 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, 8716 + ... + 34318.

It is an arithmetic number, because the mean of its divisors is an integer number (137736718).

Almost surely, 2^550899751 is an apocalyptic number.

550899751 is a deficient number, since it is larger than the sum of its proper divisors (47121).

550899751 is a wasteful number, since it uses less digits than its factorization.

550899751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47120.

The product of its (nonzero) digits is 567000, while the sum is 49.

The square root of 550899751 is about 23471.2537159820. The cubic root of 550899751 is about 819.7678060599.

The spelling of 550899751 in words is "five hundred fifty million, eight hundred ninety-nine thousand, seven hundred fifty-one".