55623332 has 6 divisors (see below), whose sum is σ = 97340838. Its totient is φ = 27811664.

The previous prime is 55623329. The next prime is 55623349. The reversal of 55623332 is 23332655.

55623332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34975396 + 20647936 = 5914^2 + 4544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55623295 and 55623304.

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 as a sum of consecutive naturals, namely, 6952913 + ... + 6952920.

It is an arithmetic number, because the mean of its divisors is an integer number (16223473).

Almost surely, 2^55623332 is an apocalyptic number.

It is an amenable number.

55623332 is a deficient number, since it is larger than the sum of its proper divisors (41717506).

55623332 is a wasteful number, since it uses less digits than its factorization.

55623332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13905837 (or 13905835 counting only the distinct ones).

The product of its digits is 16200, while the sum is 29.

The square root of 55623332 is about 7458.1051212758. The cubic root of 55623332 is about 381.7265204488.

Adding to 55623332 its reverse (23332655), we get a palindrome (78955987).

It can be divided in two parts, 55623 and 332, that added together give a palindrome (55955).

The spelling of 55623332 in words is "fifty-five million, six hundred twenty-three thousand, three hundred thirty-two".