54043313 has 4 divisors (see below), whose sum is σ = 54279540. Its totient is φ = 53807088.

The previous prime is 54043309. The next prime is 54043321. The reversal of 54043313 is 31334045.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20322064 + 33721249 = 4508^2 + 5807^2 .

It is a cyclic number.

It is not a de Polignac number, because 54043313 - 2² = 54043309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54043333) 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, 117770 + ... + 118227.

It is an arithmetic number, because the mean of its divisors is an integer number (13569885).

Almost surely, 2^54043313 is an apocalyptic number.

It is an amenable number.

54043313 is a deficient number, since it is larger than the sum of its proper divisors (236227).

54043313 is a wasteful number, since it uses less digits than its factorization.

54043313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236226.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 54043313 is about 7351.4157139969. The cubic root of 54043313 is about 378.0773452955.

Adding to 54043313 its reverse (31334045), we get a palindrome (85377358).

The spelling of 54043313 in words is "fifty-four million, forty-three thousand, three hundred thirteen".