55357624771222 has 32 divisors (see below), whose sum is σ = 83376252466848. Its totient is φ = 27565760065536.

The previous prime is 55357624771159. The next prime is 55357624771279. The reversal of 55357624771222 is 22217742675355.

It is a super-2 number, since 2×55357624771222² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935363973 + ... + 1935392575.

It is an arithmetic number, because the mean of its divisors is an integer number (2605507889589).

Almost surely, 2^{55357624771222} is an apocalyptic number.

55357624771222 is a deficient number, since it is larger than the sum of its proper divisors (28018627695626).

55357624771222 is a wasteful number, since it uses less digits than its factorization.

55357624771222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32304.

The product of its digits is 49392000, while the sum is 58.

The spelling of 55357624771222 in words is "fifty-five trillion, three hundred fifty-seven billion, six hundred twenty-four million, seven hundred seventy-one thousand, two hundred twenty-two".