55570122 has 12 divisors (see below), whose sum is σ = 120401970. Its totient is φ = 18523368.

The previous prime is 55570111. The next prime is 55570157. The reversal of 55570122 is 22107555.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42889401 + 12680721 = 6549^2 + 3561^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1543597 + ... + 1543632.

Almost surely, 2^55570122 is an apocalyptic number.

55570122 is an abundant number, since it is smaller than the sum of its proper divisors (64831848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55570122 is a wasteful number, since it uses less digits than its factorization.

55570122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087237 (or 3087234 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 55570122 is about 7454.5370077557. The cubic root of 55570122 is about 381.6047601031.

Adding to 55570122 its reverse (22107555), we get a palindrome (77677677).

The spelling of 55570122 in words is "fifty-five million, five hundred seventy thousand, one hundred twenty-two".