55454 has 16 divisors (see below), whose sum is σ = 101088. Its totient is φ = 22272.

The previous prime is 55441. The next prime is 55457. The reversal of 55454 is 45455.

It is a super-2 number, since 2×55454² = 6150292232, which contains 22 as substring.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 122 + ... + 354.

It is an arithmetic number, because the mean of its divisors is an integer number (6318).

2⁵⁵⁴⁵⁴ is an apocalyptic number.

55454 is a deficient number, since it is larger than the sum of its proper divisors (45634).

55454 is a wasteful number, since it uses less digits than its factorization.

55454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259.

The product of its digits is 2000, while the sum is 23.

The square root of 55454 is about 235.4867299871. The cubic root of 55454 is about 38.1338768186.

Subtracting from 55454 its reverse (45455), we obtain a palindrome (9999).

The spelling of 55454 in words is "fifty-five thousand, four hundred fifty-four".