55235544 has 96 divisors (see below), whose sum is σ = 173038320. Its totient is φ = 14563584.

The previous prime is 55235519. The next prime is 55235549. The reversal of 55235544 is 44553255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55235549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13482 + ... + 17094.

Almost surely, 2^55235544 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 55235544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86519160).

55235544 is an abundant number, since it is smaller than the sum of its proper divisors (117802776).

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

55235544 is a wasteful number, since it uses less digits than its factorization.

55235544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649 (or 3638 counting only the distinct ones).

The product of its digits is 60000, while the sum is 33.

The square root of 55235544 is about 7432.0618942525. The cubic root of 55235544 is about 380.8373593681.

Adding to 55235544 its reverse (44553255), we get a palindrome (99788799).

The spelling of 55235544 in words is "fifty-five million, two hundred thirty-five thousand, five hundred forty-four".