56205266 has 16 divisors (see below), whose sum is σ = 90951000. Its totient is φ = 25895808.

The previous prime is 56205181. The next prime is 56205269. The reversal of 56205266 is 66250265.

It can be written as a sum of positive squares in 4 ways, for example, as 15437041 + 40768225 = 3929^2 + 6385^2 .

It is a super-2 number, since 2×56205266² = 6318063852261512, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56205269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16910 + ... + 19958.

Almost surely, 2^56205266 is an apocalyptic number.

56205266 is a deficient number, since it is larger than the sum of its proper divisors (34745734).

56205266 is a wasteful number, since it uses less digits than its factorization.

56205266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 56205266 is about 7497.0171401698. The cubic root of 56205266 is about 383.0531186339.

The spelling of 56205266 in words is "fifty-six million, two hundred five thousand, two hundred sixty-six".