55908480 has 128 divisors (see below), whose sum is σ = 183257280. Its totient is φ = 14487552.

The previous prime is 55908421. The next prime is 55908499. The reversal of 55908480 is 8480955.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70647 + ... + 71433.

Almost surely, 2^55908480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55908480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91628640).

55908480 is an abundant number, since it is smaller than the sum of its proper divisors (127348800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55908480 is a wasteful number, since it uses less digits than its factorization.

55908480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 55908480 is about 7477.1973359007. The cubic root of 55908480 is about 382.3777045059.

The spelling of 55908480 in words is "fifty-five million, nine hundred eight thousand, four hundred eighty".