56040266 has 16 divisors (see below), whose sum is σ = 86295264. Its totient is φ = 27279504.

The previous prime is 56040263. The next prime is 56040307. The reversal of 56040266 is 66204065.

It is a super-2 number, since 2×56040266² = 6281022826701512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56040263) 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, 31205 + ... + 32951.

It is an arithmetic number, because the mean of its divisors is an integer number (5393454).

Almost surely, 2^56040266 is an apocalyptic number.

56040266 is a deficient number, since it is larger than the sum of its proper divisors (30254998).

56040266 is a wasteful number, since it uses less digits than its factorization.

56040266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 56040266 is about 7486.0046753926. The cubic root of 56040266 is about 382.6779123079.

The spelling of 56040266 in words is "fifty-six million, forty thousand, two hundred sixty-six".