55032252 has 72 divisors (see below), whose sum is σ = 142644096. Its totient is φ = 16500000.

The previous prime is 55032251. The next prime is 55032277. The reversal of 55032252 is 25223055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55032251) 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, 219127 + ... + 219377.

It is an arithmetic number, because the mean of its divisors is an integer number (1981168).

Almost surely, 2^55032252 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 55032252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71322048).

55032252 is an abundant number, since it is smaller than the sum of its proper divisors (87611844).

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

55032252 is a wasteful number, since it uses less digits than its factorization.

55032252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 55032252 is about 7418.3725978142. The cubic root of 55032252 is about 380.3695665949.

The spelling of 55032252 in words is "fifty-five million, thirty-two thousand, two hundred fifty-two".