550739 has 8 divisors (see below), whose sum is σ = 651360. Its totient is φ = 455616.

The previous prime is 550733. The next prime is 550757. The reversal of 550739 is 937055.

550739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550739 - 2¹² = 546643 is a prime.

It is a super-2 number, since 2×550739² = 606626892242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (81420).

2⁵⁵⁰⁷³⁹ is an apocalyptic number.

550739 is a deficient number, since it is larger than the sum of its proper divisors (100621).

550739 is a wasteful number, since it uses less digits than its factorization.

550739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 550739 is about 742.1179151590. The cubic root of 550739 is about 81.9688062989.

The spelling of 550739 in words is "five hundred fifty thousand, seven hundred thirty-nine".