55632252 has 48 divisors (see below), whose sum is σ = 140499072. Its totient is φ = 17031360.

The previous prime is 55632233. The next prime is 55632277. The reversal of 55632252 is 25223655.

55632252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34627 + ... + 36197.

It is an arithmetic number, because the mean of its divisors is an integer number (2927064).

Almost surely, 2^55632252 is an apocalyptic number.

55632252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55632252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70249536).

55632252 is an abundant number, since it is smaller than the sum of its proper divisors (84866820).

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

55632252 is a wasteful number, since it uses less digits than its factorization.

55632252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818 (or 1816 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 55632252 is about 7458.7031044277. The cubic root of 55632252 is about 381.7469244677.

The spelling of 55632252 in words is "fifty-five million, six hundred thirty-two thousand, two hundred fifty-two".