55582488 has 96 divisors (see below), whose sum is σ = 166005840. Its totient is φ = 16692480.

The previous prime is 55582481. The next prime is 55582489. The reversal of 55582488 is 88428555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55582481) 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 23 ways as a sum of consecutive naturals, for example, 39558 + ... + 40938.

Almost surely, 2^55582488 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 55582488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83002920).

55582488 is an abundant number, since it is smaller than the sum of its proper divisors (110423352).

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

55582488 is a wasteful number, since it uses less digits than its factorization.

55582488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449 (or 1442 counting only the distinct ones).

The product of its digits is 512000, while the sum is 45.

The square root of 55582488 is about 7455.3663893869. The cubic root of 55582488 is about 381.6330641287.

The spelling of 55582488 in words is "fifty-five million, five hundred eighty-two thousand, four hundred eighty-eight".