54553243 has 4 divisors (see below), whose sum is σ = 54689688. Its totient is φ = 54416800.

The previous prime is 54553241. The next prime is 54553249. The reversal of 54553243 is 34235545.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 54553243 - 2¹ = 54553241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54553241) 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, 67621 + ... + 68422.

It is an arithmetic number, because the mean of its divisors is an integer number (13672422).

Almost surely, 2^54553243 is an apocalyptic number.

54553243 is a deficient number, since it is larger than the sum of its proper divisors (136445).

54553243 is a wasteful number, since it uses less digits than its factorization.

54553243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136444.

The product of its digits is 36000, while the sum is 31.

The square root of 54553243 is about 7386.0167208043. The cubic root of 54553243 is about 379.2627510843.

Adding to 54553243 its reverse (34235545), we get a palindrome (88788788).

The spelling of 54553243 in words is "fifty-four million, five hundred fifty-three thousand, two hundred forty-three".