55488468 has 48 divisors (see below), whose sum is σ = 150012800. Its totient is φ = 15634944.

The previous prime is 55488449. The next prime is 55488487. The reversal of 55488468 is 86488455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55488449) and next prime (55488487).

It is a congruent number.

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, 1608 + ... + 10656.

Almost surely, 2^55488468 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 55488468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75006400).

55488468 is an abundant number, since it is smaller than the sum of its proper divisors (94524332).

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

55488468 is a wasteful number, since it uses less digits than its factorization.

55488468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9136 (or 9134 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 48.

The square root of 55488468 is about 7449.0581955036. The cubic root of 55488468 is about 381.4177601575.

The spelling of 55488468 in words is "fifty-five million, four hundred eighty-eight thousand, four hundred sixty-eight".