55229132 has 24 divisors (see below), whose sum is σ = 113154720. Its totient is φ = 23091840.

The previous prime is 55229131. The next prime is 55229159. The reversal of 55229132 is 23192255.

It is a junction number, because it is equal to n+sod(n) for n = 55229095 and 55229104.

It is not an unprimeable number, because it can be changed into a prime (55229131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22907 + ... + 25202.

It is an arithmetic number, because the mean of its divisors is an integer number (4714780).

Almost surely, 2^55229132 is an apocalyptic number.

It is an amenable number.

55229132 is an abundant number, since it is smaller than the sum of its proper divisors (57925588).

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

55229132 is a wasteful number, since it uses less digits than its factorization.

55229132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48161 (or 48159 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 55229132 is about 7431.6305074997. The cubic root of 55229132 is about 380.8226223379.

The spelling of 55229132 in words is "fifty-five million, two hundred twenty-nine thousand, one hundred thirty-two".