55434288 has 200 divisors, whose sum is σ = 184776368. Its totient is φ = 14224896.

The previous prime is 55434277. The next prime is 55434307. The reversal of 55434288 is 88243455.

55434288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1498206 + ... + 1498242.

Almost surely, 2^55434288 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 55434288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92388184).

55434288 is an abundant number, since it is smaller than the sum of its proper divisors (129342080).

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

55434288 is a wasteful number, since it uses less digits than its factorization.

55434288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 62 counting only the distinct ones).

The product of its digits is 153600, while the sum is 39.

The square root of 55434288 is about 7445.4206059833. The cubic root of 55434288 is about 381.2935785356.

The spelling of 55434288 in words is "fifty-five million, four hundred thirty-four thousand, two hundred eighty-eight".