55175232 has 112 divisors (see below), whose sum is σ = 169826432. Its totient is φ = 15482880.

The previous prime is 55175213. The next prime is 55175233. The reversal of 55175232 is 23257155.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 55175232.

It is not an unprimeable number, because it can be changed into a prime (55175233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81648 + ... + 82320.

Almost surely, 2^55175232 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 55175232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913216).

55175232 is an abundant number, since it is smaller than the sum of its proper divisors (114651200).

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

55175232 is a wasteful number, since it uses less digits than its factorization.

55175232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 746 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 55175232 is about 7428.0032310171. The cubic root of 55175232 is about 380.6986960712.

The spelling of 55175232 in words is "fifty-five million, one hundred seventy-five thousand, two hundred thirty-two".