550751 has 4 divisors (see below), whose sum is σ = 553152. Its totient is φ = 548352.

The previous prime is 550733. The next prime is 550757. The reversal of 550751 is 157055.

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 550751 - 2¹⁴ = 534367 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 (550757) 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, 815 + ... + 1328.

It is an arithmetic number, because the mean of its divisors is an integer number (138288).

2⁵⁵⁰⁷⁵¹ is an apocalyptic number.

550751 is a deficient number, since it is larger than the sum of its proper divisors (2401).

550751 is a wasteful number, since it uses less digits than its factorization.

550751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 550751 is about 742.1260000835. The cubic root of 550751 is about 81.9694016314.

The spelling of 550751 in words is "five hundred fifty thousand, seven hundred fifty-one".