55605122 has 32 divisors (see below), whose sum is σ = 91428480. Its totient is φ = 25280640.

The previous prime is 55605119. The next prime is 55605131. The reversal of 55605122 is 22150655.

It is a junction number, because it is equal to n+sod(n) for n = 55605091 and 55605100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97097 + ... + 97667.

It is an arithmetic number, because the mean of its divisors is an integer number (2857140).

Almost surely, 2^55605122 is an apocalyptic number.

55605122 is a deficient number, since it is larger than the sum of its proper divisors (35823358).

55605122 is a wasteful number, since it uses less digits than its factorization.

55605122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 55605122 is about 7456.8842018634. The cubic root of 55605122 is about 381.6848592825.

Adding to 55605122 its reverse (22150655), we get a palindrome (77755777).

The spelling of 55605122 in words is "fifty-five million, six hundred five thousand, one hundred twenty-two".