55453 has 4 divisors (see below), whose sum is σ = 57888. Its totient is φ = 53020.

The previous prime is 55441. The next prime is 55457. The reversal of 55453 is 35455.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 55453 - 2⁹ = 54941 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55457) 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, 1183 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (14472).

2⁵⁵⁴⁵³ is an apocalyptic number.

It is an amenable number.

55453 is a deficient number, since it is larger than the sum of its proper divisors (2435).

55453 is a wasteful number, since it uses less digits than its factorization.

55453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434.

The product of its digits is 1500, while the sum is 22.

The square root of 55453 is about 235.4846067156. The cubic root of 55453 is about 38.1336475950.

Adding to 55453 its product of digits (1500), we get a triangular number (56953 = T₃₃₇).

The spelling of 55453 in words is "fifty-five thousand, four hundred fifty-three".