55255333 has 4 divisors (see below), whose sum is σ = 63148960. Its totient is φ = 47361708.

The previous prime is 55255307. The next prime is 55255349. The reversal of 55255333 is 33355255.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33355255 = 5 ⋅6671051.

It is a cyclic number.

It is not a de Polignac number, because 55255333 - 2⁹ = 55254821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55255295 and 55255304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55255303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3946803 + ... + 3946816.

It is an arithmetic number, because the mean of its divisors is an integer number (15787240).

Almost surely, 2^55255333 is an apocalyptic number.

It is an amenable number.

55255333 is a deficient number, since it is larger than the sum of its proper divisors (7893627).

55255333 is an equidigital number, since it uses as much as digits as its factorization.

55255333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893626.

The product of its digits is 33750, while the sum is 31.

The square root of 55255333 is about 7433.3931014040. The cubic root of 55255333 is about 380.8828342570.

The spelling of 55255333 in words is "fifty-five million, two hundred fifty-five thousand, three hundred thirty-three".