56999066 has 8 divisors (see below), whose sum is σ = 85534644. Its totient is φ = 28487520.

The previous prime is 56999051. The next prime is 56999087. The reversal of 56999066 is 66099965.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56325025 + 674041 = 7505^2 + 821^2 .

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, 2126 + ... + 10886.

Almost surely, 2^56999066 is an apocalyptic number.

56999066 is a deficient number, since it is larger than the sum of its proper divisors (28535578).

56999066 is a wasteful number, since it uses less digits than its factorization.

56999066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12016.

The product of its (nonzero) digits is 787320, while the sum is 50.

The square root of 56999066 is about 7549.7725793563. The cubic root of 56999066 is about 384.8480110694.

The spelling of 56999066 in words is "fifty-six million, nine hundred ninety-nine thousand, sixty-six".