55999065 has 8 divisors (see below), whose sum is σ = 89598528. Its totient is φ = 29866160.

The previous prime is 55999063. The next prime is 55999079. The reversal of 55999065 is 56099955.

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

It is not a de Polignac number, because 55999065 - 2¹ = 55999063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55999063) 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, 1866621 + ... + 1866650.

It is an arithmetic number, because the mean of its divisors is an integer number (11199816).

Almost surely, 2^55999065 is an apocalyptic number.

It is an amenable number.

55999065 is a deficient number, since it is larger than the sum of its proper divisors (33599463).

55999065 is a wasteful number, since it uses less digits than its factorization.

55999065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733279.

The product of its (nonzero) digits is 546750, while the sum is 48.

The square root of 55999065 is about 7483.2523009718. The cubic root of 55999065 is about 382.5841072680.

The spelling of 55999065 in words is "fifty-five million, nine hundred ninety-nine thousand, sixty-five".