550151 has 4 divisors (see below), whose sum is σ = 628752. Its totient is φ = 471552.

The previous prime is 550139. The next prime is 550163. The reversal of 550151 is 151055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151055 = 5 ⋅30211.

It is an interprime number because it is at equal distance from previous prime (550139) and next prime (550163).

It is a cyclic number.

It is not a de Polignac number, because 550151 - 2¹⁸ = 288007 is a prime.

It is a super-2 number, since 2×550151² = 605332245602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550111) 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, 39290 + ... + 39303.

It is an arithmetic number, because the mean of its divisors is an integer number (157188).

2⁵⁵⁰¹⁵¹ is an apocalyptic number.

550151 is a deficient number, since it is larger than the sum of its proper divisors (78601).

550151 is an equidigital number, since it uses as much as digits as its factorization.

550151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78600.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 550151 is about 741.7216459023. The cubic root of 550151 is about 81.9396244050.

The spelling of 550151 in words is "five hundred fifty thousand, one hundred fifty-one".