55286533 has 8 divisors (see below), whose sum is σ = 59198040. Its totient is φ = 51448320.

The previous prime is 55286521. The next prime is 55286551. The reversal of 55286533 is 33568255.

55286533 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 20629764 + 34656769 = 4542^2 + 5887^2 .

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 55286533 - 2¹³ = 55278341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55286492 and 55286501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55286513) by changing a digit.

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, 16758 + ... + 19783.

It is an arithmetic number, because the mean of its divisors is an integer number (7399755).

Almost surely, 2^55286533 is an apocalyptic number.

It is an amenable number.

55286533 is a deficient number, since it is larger than the sum of its proper divisors (3911507).

55286533 is a wasteful number, since it uses less digits than its factorization.

55286533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36647.

The product of its digits is 108000, while the sum is 37.

The square root of 55286533 is about 7435.4914430722. The cubic root of 55286533 is about 380.9545094407.

The spelling of 55286533 in words is "fifty-five million, two hundred eighty-six thousand, five hundred thirty-three".