55828489 has 8 divisors (see below), whose sum is σ = 57957120. Its totient is φ = 53720400.

The previous prime is 55828469. The next prime is 55828501. The reversal of 55828489 is 98482855.

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 55828489 - 2⁷ = 55828361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55828469) 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, 519 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (7244640).

Almost surely, 2^55828489 is an apocalyptic number.

It is an amenable number.

55828489 is a deficient number, since it is larger than the sum of its proper divisors (2128631).

55828489 is a wasteful number, since it uses less digits than its factorization.

55828489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271.

The product of its digits is 921600, while the sum is 49.

The square root of 55828489 is about 7471.8464250813. The cubic root of 55828489 is about 382.1952552967.

The spelling of 55828489 in words is "fifty-five million, eight hundred twenty-eight thousand, four hundred eighty-nine".