55103122 has 4 divisors (see below), whose sum is σ = 82654686. Its totient is φ = 27551560.

The previous prime is 55103117. The next prime is 55103131. The reversal of 55103122 is 22130155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33396841 + 21706281 = 5779^2 + 4659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55103122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13775779 + ... + 13775782.

Almost surely, 2^55103122 is an apocalyptic number.

55103122 is a deficient number, since it is larger than the sum of its proper divisors (27551564).

55103122 is a wasteful number, since it uses less digits than its factorization.

55103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27551563.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 55103122 is about 7423.1477150869. The cubic root of 55103122 is about 380.5327753008.

Adding to 55103122 its reverse (22130155), we get a palindrome (77233277).

It can be divided in two parts, 55103 and 122, that added together give a square (55225 = 235²).

The spelling of 55103122 in words is "fifty-five million, one hundred three thousand, one hundred twenty-two".