55965532 has 72 divisors (see below), whose sum is σ = 122121216. Its totient is φ = 21932064.

The previous prime is 55965529. The next prime is 55965551. The reversal of 55965532 is 23556955.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1190733 + ... + 1190779.

It is an arithmetic number, because the mean of its divisors is an integer number (1696128).

Almost surely, 2^55965532 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 55965532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61060608).

55965532 is an abundant number, since it is smaller than the sum of its proper divisors (66155684).

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

55965532 is a wasteful number, since it uses less digits than its factorization.

55965532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 122 counting only the distinct ones).

The product of its digits is 202500, while the sum is 40.

The square root of 55965532 is about 7481.0114289446. The cubic root of 55965532 is about 382.5077265018.

The spelling of 55965532 in words is "fifty-five million, nine hundred sixty-five thousand, five hundred thirty-two".