55552232 has 16 divisors (see below), whose sum is σ = 105416640. Its totient is φ = 27441136.

The previous prime is 55552229. The next prime is 55552241. The reversal of 55552232 is 23225555.

It is a junction number, because it is equal to n+sod(n) for n = 55552195 and 55552204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41168 + ... + 42495.

It is an arithmetic number, because the mean of its divisors is an integer number (6588540).

Almost surely, 2^55552232 is an apocalyptic number.

It is an amenable number.

55552232 is a deficient number, since it is larger than the sum of its proper divisors (49864408).

55552232 is a wasteful number, since it uses less digits than its factorization.

55552232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83752 (or 83748 counting only the distinct ones).

The product of its digits is 15000, while the sum is 29.

The square root of 55552232 is about 7453.3369707803. The cubic root of 55552232 is about 381.5638049899.

Adding to 55552232 its reverse (23225555), we get a palindrome (78777787).

The spelling of 55552232 in words is "fifty-five million, five hundred fifty-two thousand, two hundred thirty-two".