55434544 has 40 divisors (see below), whose sum is σ = 121219920. Its totient is φ = 24326400.

The previous prime is 55434529. The next prime is 55434551. The reversal of 55434544 is 44543455.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327 + ... + 10534.

It is an arithmetic number, because the mean of its divisors is an integer number (3030498).

Almost surely, 2^55434544 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 55434544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60609960).

55434544 is an abundant number, since it is smaller than the sum of its proper divisors (65785376).

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

55434544 is a wasteful number, since it uses less digits than its factorization.

55434544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909 (or 10903 counting only the distinct ones).

The product of its digits is 96000, while the sum is 34.

The square root of 55434544 is about 7445.4377977390. The cubic root of 55434544 is about 381.2941654828.

Adding to 55434544 its reverse (44543455), we get a palindrome (99977999).

The spelling of 55434544 in words is "fifty-five million, four hundred thirty-four thousand, five hundred forty-four".