56805306 has 16 divisors (see below), whose sum is σ = 113793984. Its totient is φ = 18904544.

The previous prime is 56805293. The next prime is 56805319. The reversal of 56805306 is 60350865.

It is an interprime number because it is at equal distance from previous prime (56805293) and next prime (56805319).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3435 + ... + 11198.

It is an arithmetic number, because the mean of its divisors is an integer number (7112124).

Almost surely, 2^56805306 is an apocalyptic number.

56805306 is an abundant number, since it is smaller than the sum of its proper divisors (56988678).

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

56805306 is a wasteful number, since it uses less digits than its factorization.

56805306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15285.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 56805306 is about 7536.9294808960. The cubic root of 56805306 is about 384.4114378042.

The spelling of 56805306 in words is "fifty-six million, eight hundred five thousand, three hundred six".