55599289 has 4 divisors (see below), whose sum is σ = 55632256. Its totient is φ = 55566324.

The previous prime is 55599281. The next prime is 55599307. The reversal of 55599289 is 98299555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55599289 - 2³ = 55599281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55599281) 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 3 ways as a sum of consecutive naturals, for example, 13809 + ... + 17374.

It is an arithmetic number, because the mean of its divisors is an integer number (13908064).

Almost surely, 2^55599289 is an apocalyptic number.

It is an amenable number.

55599289 is a deficient number, since it is larger than the sum of its proper divisors (32967).

55599289 is a wasteful number, since it uses less digits than its factorization.

55599289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32966.

The product of its digits is 1458000, while the sum is 52.

The square root of 55599289 is about 7456.4930765072. The cubic root of 55599289 is about 381.6715125166.

The spelling of 55599289 in words is "fifty-five million, five hundred ninety-nine thousand, two hundred eighty-nine".