55305506 has 4 divisors (see below), whose sum is σ = 82958262. Its totient is φ = 27652752.

The previous prime is 55305493. The next prime is 55305517. The reversal of 55305506 is 60550355.

55305506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60550355 = 5 ⋅12110071.

It can be written as a sum of positive squares in only one way, i.e., 43020481 + 12285025 = 6559^2 + 3505^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13826375 + ... + 13826378.

Almost surely, 2^55305506 is an apocalyptic number.

55305506 is a deficient number, since it is larger than the sum of its proper divisors (27652756).

55305506 is a wasteful number, since it uses less digits than its factorization.

55305506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27652755.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 55305506 is about 7436.7671739809. The cubic root of 55305506 is about 380.9980825791.

The spelling of 55305506 in words is "fifty-five million, three hundred five thousand, five hundred six".