54812243 has 4 divisors (see below), whose sum is σ = 57195408. Its totient is φ = 52429080.

The previous prime is 54812237. The next prime is 54812249. The reversal of 54812243 is 34221845.

It is a happy number.

54812243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (54812237) and next prime (54812249).

It is a cyclic number.

It is not a de Polignac number, because 54812243 - 2⁴ = 54812227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54812249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191548 + ... + 1191593.

It is an arithmetic number, because the mean of its divisors is an integer number (14298852).

Almost surely, 2^54812243 is an apocalyptic number.

54812243 is a deficient number, since it is larger than the sum of its proper divisors (2383165).

54812243 is a wasteful number, since it uses less digits than its factorization.

54812243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383164.

The product of its digits is 7680, while the sum is 29.

The square root of 54812243 is about 7403.5290909133. The cubic root of 54812243 is about 379.8620066818.

It can be divided in two parts, 54812 and 243, that added together give a palindrome (55055).

The spelling of 54812243 in words is "fifty-four million, eight hundred twelve thousand, two hundred forty-three".