551541 has 8 divisors (see below), whose sum is σ = 740704. Its totient is φ = 365040.

The previous prime is 551539. The next prime is 551543. The reversal of 551541 is 145155.

551541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (551539) and next prime (551543).

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

It is not a de Polignac number, because 551541 - 2¹ = 551539 is a prime.

It is a super-3 number, since 3×551541³ = 503332138149100263, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 551541.

It is not an unprimeable number, because it can be changed into a prime (551543) 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, 115 + ... + 1056.

It is an arithmetic number, because the mean of its divisors is an integer number (92588).

2⁵⁵¹⁵⁴¹ is an apocalyptic number.

It is an amenable number.

551541 is a deficient number, since it is larger than the sum of its proper divisors (189163).

551541 is a wasteful number, since it uses less digits than its factorization.

551541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331.

The product of its digits is 500, while the sum is 21.

The square root of 551541 is about 742.6580639837. The cubic root of 551541 is about 82.0085753475.

Adding to 551541 its reverse (145155), we get a palindrome (696696).

It can be divided in two parts, 55154 and 1, that added together give a palindrome (55155).

The spelling of 551541 in words is "five hundred fifty-one thousand, five hundred forty-one".