55001722 has 8 divisors (see below), whose sum is σ = 82650816. Its totient is φ = 27451452.

The previous prime is 55001701. The next prime is 55001729. The reversal of 55001722 is 22710055.

55001722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 55001693 and 55001702.

It is not an unprimeable number, because it can be changed into a prime (55001729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23298 + ... + 25549.

It is an arithmetic number, because the mean of its divisors is an integer number (10331352).

Almost surely, 2^55001722 is an apocalyptic number.

55001722 is a deficient number, since it is larger than the sum of its proper divisors (27649094).

55001722 is a wasteful number, since it uses less digits than its factorization.

55001722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49412.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 55001722 is about 7416.3145834033. The cubic root of 55001722 is about 380.2992149342.

Adding to 55001722 its reverse (22710055), we get a palindrome (77711777).

The spelling of 55001722 in words is "fifty-five million, one thousand, seven hundred twenty-two".