53242266 has 64 divisors (see below), whose sum is σ = 140590080. Its totient is φ = 13013760.

The previous prime is 53242253. The next prime is 53242291. The reversal of 53242266 is 66224235.

53242266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 4465 + ... + 11243.

It is an arithmetic number, because the mean of its divisors is an integer number (2196720).

Almost surely, 2^53242266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53242266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70295040).

53242266 is an abundant number, since it is smaller than the sum of its proper divisors (87347814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53242266 is a wasteful number, since it uses less digits than its factorization.

53242266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819.

The product of its digits is 17280, while the sum is 30.

The square root of 53242266 is about 7296.7298154721. The cubic root of 53242266 is about 376.2000453908.

The spelling of 53242266 in words is "fifty-three million, two hundred forty-two thousand, two hundred sixty-six".