54330533 has 4 divisors (see below), whose sum is σ = 54359340. Its totient is φ = 54301728.

The previous prime is 54330527. The next prime is 54330553. The reversal of 54330533 is 33503345.

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 35259844 + 19070689 = 5938^2 + 4367^2 .

It is a cyclic number.

It is not a de Polignac number, because 54330533 - 2¹⁶ = 54264997 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 (54330553) 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, 11360 + ... + 15417.

It is an arithmetic number, because the mean of its divisors is an integer number (13589835).

Almost surely, 2^54330533 is an apocalyptic number.

It is an amenable number.

54330533 is a deficient number, since it is larger than the sum of its proper divisors (28807).

54330533 is a wasteful number, since it uses less digits than its factorization.

54330533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28806.

The product of its (nonzero) digits is 8100, while the sum is 26.

The square root of 54330533 is about 7370.9248402083. The cubic root of 54330533 is about 378.7459421481.

Adding to 54330533 its reverse (33503345), we get a palindrome (87833878).

The spelling of 54330533 in words is "fifty-four million, three hundred thirty thousand, five hundred thirty-three".