54404533 has 4 divisors (see below), whose sum is σ = 54590508. Its totient is φ = 54218560.

The previous prime is 54404527. The next prime is 54404557. The reversal of 54404533 is 33540445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33540445 = 5 ⋅6708089.

It can be written as a sum of positive squares in 2 ways, for example, as 46553329 + 7851204 = 6823^2 + 2802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54404533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54404593) 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, 92548 + ... + 93133.

It is an arithmetic number, because the mean of its divisors is an integer number (13647627).

Almost surely, 2^54404533 is an apocalyptic number.

It is an amenable number.

54404533 is a deficient number, since it is larger than the sum of its proper divisors (185975).

54404533 is a wasteful number, since it uses less digits than its factorization.

54404533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185974.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 54404533 is about 7375.9428549847. The cubic root of 54404533 is about 378.9178190108.

Adding to 54404533 its reverse (33540445), we get a palindrome (87944978).

The spelling of 54404533 in words is "fifty-four million, four hundred four thousand, five hundred thirty-three".