551453 has 4 divisors (see below), whose sum is σ = 630240. Its totient is φ = 472668.

The previous prime is 551443. The next prime is 551461. The reversal of 551453 is 354155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 551453 - 2⁸ = 551197 is a prime.

It is a super-2 number, since 2×551453² = 608200822418, 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 (551423) 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, 39383 + ... + 39396.

It is an arithmetic number, because the mean of its divisors is an integer number (157560).

2⁵⁵¹⁴⁵³ is an apocalyptic number.

It is an amenable number.

551453 is a deficient number, since it is larger than the sum of its proper divisors (78787).

551453 is an equidigital number, since it uses as much as digits as its factorization.

551453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78786.

The product of its digits is 1500, while the sum is 23.

The square root of 551453 is about 742.5988149735. The cubic root of 551453 is about 82.0042135451.

The spelling of 551453 in words is "five hundred fifty-one thousand, four hundred fifty-three".