55030433 has 8 divisors (see below), whose sum is σ = 56673960. Its totient is φ = 53395200.

The previous prime is 55030427. The next prime is 55030439. The reversal of 55030433 is 33403055.

55030433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55030427) and next prime (55030439).

It can be written as a sum of positive squares in 4 ways, for example, as 30547729 + 24482704 = 5527^2 + 4948^2 .

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 55030433 - 2¹⁴ = 55014049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55030399 and 55030408.

It is not an unprimeable number, because it can be changed into a prime (55030439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12983 + ... + 16691.

It is an arithmetic number, because the mean of its divisors is an integer number (7084245).

Almost surely, 2^55030433 is an apocalyptic number.

It is an amenable number.

55030433 is a deficient number, since it is larger than the sum of its proper divisors (1643527).

55030433 is a wasteful number, since it uses less digits than its factorization.

55030433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 55030433 is about 7418.2499957874. The cubic root of 55030433 is about 380.3653757200.

Adding to 55030433 its reverse (33403055), we get a palindrome (88433488).

The spelling of 55030433 in words is "fifty-five million, thirty thousand, four hundred thirty-three".