55845269 has 4 divisors (see below), whose sum is σ = 55982220. Its totient is φ = 55708320.

The previous prime is 55845233. The next prime is 55845359. The reversal of 55845269 is 96254855.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26142769 + 29702500 = 5113^2 + 5450^2 .

It is a cyclic number.

It is not a de Polignac number, because 55845269 - 2¹² = 55841173 is a prime.

It is a super-2 number, since 2×55845269² = 6237388139364722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55845869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67862 + ... + 68679.

It is an arithmetic number, because the mean of its divisors is an integer number (13995555).

Almost surely, 2^55845269 is an apocalyptic number.

It is an amenable number.

55845269 is a deficient number, since it is larger than the sum of its proper divisors (136951).

55845269 is a wasteful number, since it uses less digits than its factorization.

55845269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136950.

The product of its digits is 432000, while the sum is 44.

The square root of 55845269 is about 7472.9692224711. The cubic root of 55845269 is about 382.2335427617.

The spelling of 55845269 in words is "fifty-five million, eight hundred forty-five thousand, two hundred sixty-nine".