55612322 has 8 divisors (see below), whose sum is σ = 83583900. Its totient is φ = 27751024.

The previous prime is 55612309. The next prime is 55612363. The reversal of 55612322 is 22321655.

It can be written as a sum of positive squares in 2 ways, for example, as 51998521 + 3613801 = 7211^2 + 1901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55612291 and 55612300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26297 + ... + 28332.

Almost surely, 2^55612322 is an apocalyptic number.

55612322 is a deficient number, since it is larger than the sum of its proper divisors (27971578).

55612322 is a wasteful number, since it uses less digits than its factorization.

55612322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55140.

The product of its digits is 3600, while the sum is 26.

The square root of 55612322 is about 7457.3669616025. The cubic root of 55612322 is about 381.7013326593.

Adding to 55612322 its reverse (22321655), we get a palindrome (77933977).

The spelling of 55612322 in words is "fifty-five million, six hundred twelve thousand, three hundred twenty-two".