55342445 has 8 divisors (see below), whose sum is σ = 67069080. Its totient is φ = 43835200.

The previous prime is 55342387. The next prime is 55342447. The reversal of 55342445 is 54424355.

It can be written as a sum of positive squares in 4 ways, for example, as 4605316 + 50737129 = 2146^2 + 7123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55342445 - 2⁶ = 55342381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55342447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54290 + ... + 55299.

It is an arithmetic number, because the mean of its divisors is an integer number (8383635).

Almost surely, 2^55342445 is an apocalyptic number.

It is an amenable number.

55342445 is a deficient number, since it is larger than the sum of its proper divisors (11726635).

55342445 is a wasteful number, since it uses less digits than its factorization.

55342445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109695.

The product of its digits is 48000, while the sum is 32.

The square root of 55342445 is about 7439.2502982491. The cubic root of 55342445 is about 381.0828876136.

The spelling of 55342445 in words is "fifty-five million, three hundred forty-two thousand, four hundred forty-five".