55006622 has 8 divisors (see below), whose sum is σ = 90010872. Its totient is φ = 25003000.

The previous prime is 55006619. The next prime is 55006631. The reversal of 55006622 is 22660055.

It is a happy number.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 55006591 and 55006600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250129 + ... + 1250172.

It is an arithmetic number, because the mean of its divisors is an integer number (11251359).

Almost surely, 2^55006622 is an apocalyptic number.

55006622 is a deficient number, since it is larger than the sum of its proper divisors (35004250).

55006622 is a wasteful number, since it uses less digits than its factorization.

55006622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500314.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 55006622 is about 7416.6449288071. The cubic root of 55006622 is about 380.3105079795.

Adding to 55006622 its reverse (22660055), we get a palindrome (77666677).

The spelling of 55006622 in words is "fifty-five million, six thousand, six hundred twenty-two".