53447266 has 16 divisors (see below), whose sum is σ = 84542400. Its totient is φ = 25271568.

The previous prime is 53447257. The next prime is 53447287. The reversal of 53447266 is 66274435.

53447266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53447266² = 5713220485749512, which contains 22 as substring.

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, 30420 + ... + 32128.

It is an arithmetic number, because the mean of its divisors is an integer number (5283900).

Almost surely, 2^53447266 is an apocalyptic number.

53447266 is a deficient number, since it is larger than the sum of its proper divisors (31095134).

53447266 is a wasteful number, since it uses less digits than its factorization.

53447266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553.

The product of its digits is 120960, while the sum is 37.

The square root of 53447266 is about 7310.7637083960. The cubic root of 53447266 is about 376.6822577756.

The spelling of 53447266 in words is "fifty-three million, four hundred forty-seven thousand, two hundred sixty-six".