55045333 has 4 divisors (see below), whose sum is σ = 62908960. Its totient is φ = 47181708.

The previous prime is 55045321. The next prime is 55045339. The reversal of 55045333 is 33354055.

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 not a de Polignac number, because 55045333 - 2¹⁷ = 54914261 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 (55045339) 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, 3931803 + ... + 3931816.

It is an arithmetic number, because the mean of its divisors is an integer number (15727240).

Almost surely, 2^55045333 is an apocalyptic number.

It is an amenable number.

55045333 is a deficient number, since it is larger than the sum of its proper divisors (7863627).

55045333 is an equidigital number, since it uses as much as digits as its factorization.

55045333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863626.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 55045333 is about 7419.2542078028. The cubic root of 55045333 is about 380.3997017729.

Adding to 55045333 its reverse (33354055), we get a palindrome (88399388).

The spelling of 55045333 in words is "fifty-five million, forty-five thousand, three hundred thirty-three".