55222610 has 8 divisors (see below), whose sum is σ = 99400716. Its totient is φ = 22089040.

The previous prime is 55222577. The next prime is 55222627. The reversal of 55222610 is 1622255.

It can be written as a sum of positive squares in 2 ways, for example, as 50395801 + 4826809 = 7099^2 + 2197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2761121 + ... + 2761140.

Almost surely, 2^55222610 is an apocalyptic number.

55222610 is a deficient number, since it is larger than the sum of its proper divisors (44178106).

55222610 is a wasteful number, since it uses less digits than its factorization.

55222610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522268.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55222610 is about 7431.1916944727. The cubic root of 55222610 is about 380.8076313188.

Adding to 55222610 its reverse (1622255), we get a palindrome (56844865).

The spelling of 55222610 in words is "fifty-five million, two hundred twenty-two thousand, six hundred ten".