55532204 has 72 divisors (see below), whose sum is σ = 124566624. Its totient is φ = 21081600.

The previous prime is 55532203. The next prime is 55532219. The reversal of 55532204 is 40223555.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (55532203) 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, 910334 + ... + 910394.

It is an arithmetic number, because the mean of its divisors is an integer number (1730092).

Almost surely, 2^55532204 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 55532204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62283312).

55532204 is an abundant number, since it is smaller than the sum of its proper divisors (69034420).

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

55532204 is a wasteful number, since it uses less digits than its factorization.

55532204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55532204 is about 7451.9932903888. The cubic root of 55532204 is about 381.5179449757.

Adding to 55532204 its reverse (40223555), we get a palindrome (95755759).

The spelling of 55532204 in words is "fifty-five million, five hundred thirty-two thousand, two hundred four".