53143266 has 32 divisors (see below), whose sum is σ = 122054400. Its totient is φ = 15256080.

The previous prime is 53143249. The next prime is 53143273. The reversal of 53143266 is 66234135.

It is a super-2 number, since 2×53143266² = 5648413442293512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19936 + ... + 22443.

It is an arithmetic number, because the mean of its divisors is an integer number (3814200).

Almost surely, 2^53143266 is an apocalyptic number.

53143266 is an abundant number, since it is smaller than the sum of its proper divisors (68911134).

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

53143266 is a wasteful number, since it uses less digits than its factorization.

53143266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42414.

The product of its digits is 12960, while the sum is 30.

The square root of 53143266 is about 7289.9427981295. The cubic root of 53143266 is about 375.9667287974.

The spelling of 53143266 in words is "fifty-three million, one hundred forty-three thousand, two hundred sixty-six".