Search a number
BaseRepresentation
bin1101100011000000
32211010010
431203000
53233423
61104520
7320526
oct154300
984103
1055488
1138764
1228140
131c344
1416316
1511693
hexd8c0

55488 has 42 divisors (see below), whose sum is σ = 155956. Its totient is φ = 17408.

The previous prime is 55487. The next prime is 55501. The reversal of 55488 is 88455.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 55488.

It is not an unprimeable number, because it can be changed into a prime (55487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3256 + ... + 3272.

255488 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 55488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77978).

55488 is an abundant number, since it is smaller than the sum of its proper divisors (100468).

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

55488 is a wasteful number, since it uses less digits than its factorization.

55488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49 (or 22 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 55488 is about 235.5589098294. The cubic root of 55488 is about 38.1416687839.

The spelling of 55488 in words is "fifty-five thousand, four hundred eighty-eight".