55533024 has 72 divisors (see below), whose sum is σ = 161808192. Its totient is φ = 18055680.

The previous prime is 55533007. The next prime is 55533043. The reversal of 55533024 is 42033555.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9457 + ... + 14159.

It is an arithmetic number, because the mean of its divisors is an integer number (2247336).

Almost surely, 2^55533024 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 55533024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80904096).

55533024 is an abundant number, since it is smaller than the sum of its proper divisors (106275168).

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

55533024 is a wasteful number, since it uses less digits than its factorization.

55533024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 55533024 is about 7452.0483090222. The cubic root of 55533024 is about 381.5198228241.

Adding to 55533024 its reverse (42033555), we get a palindrome (97566579).

The spelling of 55533024 in words is "fifty-five million, five hundred thirty-three thousand, twenty-four".