55488408 has 64 divisors (see below), whose sum is σ = 147692160. Its totient is φ = 17312256.

The previous prime is 55488373. The next prime is 55488409. The reversal of 55488408 is 80488455.

It is a self number, because there is not a number n which added to its sum of digits gives 55488408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55488409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125035 + ... + 125477.

It is an arithmetic number, because the mean of its divisors is an integer number (2307690).

Almost surely, 2^55488408 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 55488408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73846080).

55488408 is an abundant number, since it is smaller than the sum of its proper divisors (92203752).

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

55488408 is a wasteful number, since it uses less digits than its factorization.

55488408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 42.

The square root of 55488408 is about 7449.0541681478. The cubic root of 55488408 is about 381.4176226811.

The spelling of 55488408 in words is "fifty-five million, four hundred eighty-eight thousand, four hundred eight".