55658484 has 72 divisors (see below), whose sum is σ = 164743488. Its totient is φ = 15511680.

The previous prime is 55658479. The next prime is 55658507. The reversal of 55658484 is 48485655.

55658484 is a `hidden beast` number, since 5 + 565 + 8 + 4 + 84 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7639 + ... + 13025.

It is an arithmetic number, because the mean of its divisors is an integer number (2288104).

Almost surely, 2^55658484 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 55658484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82371744).

55658484 is an abundant number, since it is smaller than the sum of its proper divisors (109085004).

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

55658484 is a wasteful number, since it uses less digits than its factorization.

55658484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445 (or 5440 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 55658484 is about 7460.4613798344. The cubic root of 55658484 is about 381.8069161178.

The spelling of 55658484 in words is "fifty-five million, six hundred fifty-eight thousand, four hundred eighty-four".