55244797 has 8 divisors (see below), whose sum is σ = 57677400. Its totient is φ = 52847424.

The previous prime is 55244773. The next prime is 55244801. The reversal of 55244797 is 79744255.

It can be written as a sum of positive squares in 4 ways, for example, as 3606201 + 51638596 = 1899^2 + 7186^2 .

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 55244797 - 2¹¹ = 55242749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55244197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5578 + ... + 11899.

It is an arithmetic number, because the mean of its divisors is an integer number (7209675).

Almost surely, 2^55244797 is an apocalyptic number.

It is an amenable number.

55244797 is a deficient number, since it is larger than the sum of its proper divisors (2432603).

55244797 is a wasteful number, since it uses less digits than its factorization.

55244797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17615.

The product of its digits is 352800, while the sum is 43.

The square root of 55244797 is about 7432.6843737643. The cubic root of 55244797 is about 380.8586240048.

The spelling of 55244797 in words is "fifty-five million, two hundred forty-four thousand, seven hundred ninety-seven".