55254533 has 8 divisors (see below), whose sum is σ = 57787008. Its totient is φ = 52732944.

The previous prime is 55254517. The next prime is 55254553. The reversal of 55254533 is 33545255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55254533 - 2⁴ = 55254517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55254533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55254553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8735 + ... + 13667.

It is an arithmetic number, because the mean of its divisors is an integer number (7223376).

Almost surely, 2^55254533 is an apocalyptic number.

It is an amenable number.

55254533 is a deficient number, since it is larger than the sum of its proper divisors (2532475).

55254533 is a wasteful number, since it uses less digits than its factorization.

55254533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443.

The product of its digits is 45000, while the sum is 32.

The square root of 55254533 is about 7433.3392899827. The cubic root of 55254533 is about 380.8809960770.

Adding to 55254533 its reverse (33545255), we get a palindrome (88799788).

The spelling of 55254533 in words is "fifty-five million, two hundred fifty-four thousand, five hundred thirty-three".