54985533 has 4 divisors (see below), whose sum is σ = 73314048. Its totient is φ = 36657020.

The previous prime is 54985523. The next prime is 54985549. The reversal of 54985533 is 33558945.

54985533 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54985533 - 2¹³ = 54977341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54985523) 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, 9164253 + ... + 9164258.

It is an arithmetic number, because the mean of its divisors is an integer number (18328512).

Almost surely, 2^54985533 is an apocalyptic number.

It is an amenable number.

54985533 is a deficient number, since it is larger than the sum of its proper divisors (18328515).

54985533 is a wasteful number, since it uses less digits than its factorization.

54985533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18328514.

The product of its digits is 324000, while the sum is 42.

The square root of 54985533 is about 7415.2230580071. The cubic root of 54985533 is about 380.2618993260.

The spelling of 54985533 in words is "fifty-four million, nine hundred eighty-five thousand, five hundred thirty-three".