55253122 has 4 divisors (see below), whose sum is σ = 82879686. Its totient is φ = 27626560.

The previous prime is 55253101. The next prime is 55253131. The reversal of 55253122 is 22135255.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22135255 = 5 ⋅4427051.

It can be written as a sum of positive squares in only one way, i.e., 34468641 + 20784481 = 5871^2 + 4559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13813279 + ... + 13813282.

Almost surely, 2^55253122 is an apocalyptic number.

55253122 is a deficient number, since it is larger than the sum of its proper divisors (27626564).

55253122 is a wasteful number, since it uses less digits than its factorization.

55253122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27626563.

The product of its digits is 3000, while the sum is 25.

The square root of 55253122 is about 7433.2443791389. The cubic root of 55253122 is about 380.8777539438.

Adding to 55253122 its reverse (22135255), we get a palindrome (77388377).

The spelling of 55253122 in words is "fifty-five million, two hundred fifty-three thousand, one hundred twenty-two".