55289699 has 8 divisors (see below), whose sum is σ = 55800000. Its totient is φ = 54781992.

The previous prime is 55289693. The next prime is 55289743. The reversal of 55289699 is 99698255.

It is a happy number.

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 55289699 - 2⁴ = 55289683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55289699.

It is not an unprimeable number, because it can be changed into a prime (55289693) 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, 89012 + ... + 89630.

It is an arithmetic number, because the mean of its divisors is an integer number (6975000).

Almost surely, 2^55289699 is an apocalyptic number.

55289699 is a deficient number, since it is larger than the sum of its proper divisors (510301).

55289699 is a wasteful number, since it uses less digits than its factorization.

55289699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297.

The product of its digits is 1749600, while the sum is 53.

The square root of 55289699 is about 7435.7043378553. The cubic root of 55289699 is about 380.9617811269.

The spelling of 55289699 in words is "fifty-five million, two hundred eighty-nine thousand, six hundred ninety-nine".