55489508 has 12 divisors (see below), whose sum is σ = 97451760. Its totient is φ = 27646152.

The previous prime is 55489507. The next prime is 55489517. The reversal of 55489508 is 80598455.

It is not an unprimeable number, because it can be changed into a prime (55489507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23378 + ... + 25641.

It is an arithmetic number, because the mean of its divisors is an integer number (8120980).

Almost surely, 2^55489508 is an apocalyptic number.

It is an amenable number.

55489508 is a deficient number, since it is larger than the sum of its proper divisors (41962252).

55489508 is a wasteful number, since it uses less digits than its factorization.

55489508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49306 (or 49304 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 44.

The square root of 55489508 is about 7449.1280026591. The cubic root of 55489508 is about 381.4201430670.

The spelling of 55489508 in words is "fifty-five million, four hundred eighty-nine thousand, five hundred eight".