65056899 has 8 divisors (see below), whose sum is σ = 86849280. Its totient is φ = 43317896.

The previous prime is 65056867. The next prime is 65056913. The reversal of 65056899 is 99865056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65056899 - 2⁵ = 65056867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65056819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10407 + ... + 15440.

It is an arithmetic number, because the mean of its divisors is an integer number (10856160).

Almost surely, 2^65056899 is an apocalyptic number.

65056899 is a deficient number, since it is larger than the sum of its proper divisors (21792381).

65056899 is a wasteful number, since it uses less digits than its factorization.

65056899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26689.

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 65056899 is about 8065.7857025835. The cubic root of 65056899 is about 402.1898622964.

The spelling of 65056899 in words is "sixty-five million, fifty-six thousand, eight hundred ninety-nine".