55102171622 has 8 divisors (see below), whose sum is σ = 83179711776. Its totient is φ = 27375601032.

The previous prime is 55102171603. The next prime is 55102171627. The reversal of 55102171622 is 22617120155.

55102171622 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 super-2 number, since 2×55102171622² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55102171627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87741998 + ... + 87742625.

It is an arithmetic number, because the mean of its divisors is an integer number (10397463972).

Almost surely, 2^55102171622 is an apocalyptic number.

55102171622 is a deficient number, since it is larger than the sum of its proper divisors (28077540154).

55102171622 is a wasteful number, since it uses less digits than its factorization.

55102171622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175484782.

The product of its (nonzero) digits is 8400, while the sum is 32.

Adding to 55102171622 its reverse (22617120155), we get a palindrome (77719291777).

The spelling of 55102171622 in words is "fifty-five billion, one hundred two million, one hundred seventy-one thousand, six hundred twenty-two".