53081306 has 8 divisors (see below), whose sum is σ = 81564084. Its totient is φ = 25893280.

The previous prime is 53081299. The next prime is 53081311. The reversal of 53081306 is 60318035.

It can be written as a sum of positive squares in 2 ways, for example, as 40768225 + 12313081 = 6385^2 + 3509^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323585 + ... + 323748.

Almost surely, 2^53081306 is an apocalyptic number.

53081306 is a deficient number, since it is larger than the sum of its proper divisors (28482778).

53081306 is a wasteful number, since it uses less digits than its factorization.

53081306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647376.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 53081306 is about 7285.6918683129. The cubic root of 53081306 is about 375.8205581449.

The spelling of 53081306 in words is "fifty-three million, eighty-one thousand, three hundred six".