55266445 has 8 divisors (see below), whose sum is σ = 71421336. Its totient is φ = 40812096.

The previous prime is 55266389. The next prime is 55266451. The reversal of 55266445 is 54466255.

55266445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12938409 + 42328036 = 3597^2 + 6506^2 .

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

It is not a de Polignac number, because 55266445 - 2¹¹ = 55264397 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 425062 + ... + 425191.

It is an arithmetic number, because the mean of its divisors is an integer number (8927667).

Almost surely, 2^55266445 is an apocalyptic number.

It is an amenable number.

55266445 is a deficient number, since it is larger than the sum of its proper divisors (16154891).

55266445 is a wasteful number, since it uses less digits than its factorization.

55266445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850271.

The product of its digits is 144000, while the sum is 37.

The square root of 55266445 is about 7434.1405017662. The cubic root of 55266445 is about 380.9083647421.

The spelling of 55266445 in words is "fifty-five million, two hundred sixty-six thousand, four hundred forty-five".