55308333 has 8 divisors (see below), whose sum is σ = 74505088. Its totient is φ = 36491904.

The previous prime is 55308301. The next prime is 55308343. The reversal of 55308333 is 33380355.

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

It is not a de Polignac number, because 55308333 - 2⁵ = 55308301 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 55308333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55308343) 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, 94741 + ... + 95322.

It is an arithmetic number, because the mean of its divisors is an integer number (9313136).

Almost surely, 2^55308333 is an apocalyptic number.

It is an amenable number.

55308333 is a deficient number, since it is larger than the sum of its proper divisors (19196755).

55308333 is a wasteful number, since it uses less digits than its factorization.

55308333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190163.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 55308333 is about 7436.9572407000. The cubic root of 55308333 is about 381.0045741765.

Adding to 55308333 its reverse (33380355), we get a palindrome (88688688).

The spelling of 55308333 in words is "fifty-five million, three hundred eight thousand, three hundred thirty-three".