54409533 has 4 divisors (see below), whose sum is σ = 72546048. Its totient is φ = 36273020.

The previous prime is 54409507. The next prime is 54409541. The reversal of 54409533 is 33590445.

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 54409533 - 2⁹ = 54409021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54409494 and 54409503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54409633) 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, 9068253 + ... + 9068258.

It is an arithmetic number, because the mean of its divisors is an integer number (18136512).

Almost surely, 2^54409533 is an apocalyptic number.

It is an amenable number.

54409533 is a deficient number, since it is larger than the sum of its proper divisors (18136515).

54409533 is a wasteful number, since it uses less digits than its factorization.

54409533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18136514.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 54409533 is about 7376.2817869168. The cubic root of 54409533 is about 378.9294266897.

Adding to 54409533 its reverse (33590445), we get a palindrome (87999978).

The spelling of 54409533 in words is "fifty-four million, four hundred nine thousand, five hundred thirty-three".