55266242 has 8 divisors (see below), whose sum is σ = 85573632. Its totient is φ = 26741700.

The previous prime is 55266203. The next prime is 55266247. The reversal of 55266242 is 24266255.

55266242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 55266199 and 55266208.

It is not an unprimeable number, because it can be changed into a prime (55266247) 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 3 ways as a sum of consecutive naturals, for example, 445634 + ... + 445757.

It is an arithmetic number, because the mean of its divisors is an integer number (10696704).

Almost surely, 2^55266242 is an apocalyptic number.

55266242 is a deficient number, since it is larger than the sum of its proper divisors (30307390).

55266242 is a wasteful number, since it uses less digits than its factorization.

55266242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891424.

The product of its digits is 28800, while the sum is 32.

The square root of 55266242 is about 7434.1268485277. The cubic root of 55266242 is about 380.9078983681.

The spelling of 55266242 in words is "fifty-five million, two hundred sixty-six thousand, two hundred forty-two".