56000099 has 4 divisors (see below), whose sum is σ = 56037936. Its totient is φ = 55962264.

The previous prime is 56000093. The next prime is 56000107. The reversal of 56000099 is 99000065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56000099 is a prime.

It is a super-2 number, since 2×56000099² = 6272022176019602, which contains 22 as substring.

It is a Duffinian number.

56000099 is a modest number, since divided by 99 gives 56 as remainder.

It is not an unprimeable number, because it can be changed into a prime (56000093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16604 + ... + 19689.

It is an arithmetic number, because the mean of its divisors is an integer number (14009484).

Almost surely, 2^56000099 is an apocalyptic number.

56000099 is a deficient number, since it is larger than the sum of its proper divisors (37837).

56000099 is a wasteful number, since it uses less digits than its factorization.

56000099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37836.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 56000099 is about 7483.3213882607. The cubic root of 56000099 is about 382.5864620069.

The spelling of 56000099 in words is "fifty-six million, ninety-nine", and thus it is an aban number and an uban number.