55153322 has 12 divisors (see below), whose sum is σ = 96237090. Its totient is φ = 23637096.

The previous prime is 55153291. The next prime is 55153349. The reversal of 55153322 is 22335155.

It can be written as a sum of positive squares in only one way, i.e., 28826161 + 26327161 = 5369^2 + 5131^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55153291 and 55153300.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281297 + ... + 281492.

Almost surely, 2^55153322 is an apocalyptic number.

55153322 is a deficient number, since it is larger than the sum of its proper divisors (41083768).

55153322 is a wasteful number, since it uses less digits than its factorization.

55153322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562805 (or 562798 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 55153322 is about 7426.5282602303. The cubic root of 55153322 is about 380.6482977768.

Adding to 55153322 its reverse (22335155), we get a palindrome (77488477).

The spelling of 55153322 in words is "fifty-five million, one hundred fifty-three thousand, three hundred twenty-two".