55255433 has 4 divisors (see below), whose sum is σ = 55294080. Its totient is φ = 55216788.

The previous prime is 55255429. The next prime is 55255441. The reversal of 55255433 is 33455255.

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: 33455255 = 5 ⋅6691051.

It is a cyclic number.

It is not a de Polignac number, because 55255433 - 2² = 55255429 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 55255433.

It is not an unprimeable number, because it can be changed into a prime (55255133) 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, 17093 + ... + 20066.

It is an arithmetic number, because the mean of its divisors is an integer number (13823520).

Almost surely, 2^55255433 is an apocalyptic number.

It is an amenable number.

55255433 is a deficient number, since it is larger than the sum of its proper divisors (38647).

55255433 is a wasteful number, since it uses less digits than its factorization.

55255433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38646.

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

The square root of 55255433 is about 7433.3998278042. The cubic root of 55255433 is about 380.8830640282.

The spelling of 55255433 in words is "fifty-five million, two hundred fifty-five thousand, four hundred thirty-three".