55072121051122 has 24 divisors (see below), whose sum is σ = 96207361568604. Its totient is φ = 23574796906752.

The previous prime is 55072121051099. The next prime is 55072121051137. The reversal of 55072121051122 is 22115012127055.

It can be written as a sum of positive squares in 2 ways, for example, as 54853294502601 + 218826548521 = 7406301^2 + 467789^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327780903 + ... + 327948874.

Almost surely, 2^{55072121051122} is an apocalyptic number.

55072121051122 is a deficient number, since it is larger than the sum of its proper divisors (41135240517482).

55072121051122 is a wasteful number, since it uses less digits than its factorization.

55072121051122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655730650 (or 655730643 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 34.

Adding to 55072121051122 its reverse (22115012127055), we get a palindrome (77187133178177).

The spelling of 55072121051122 in words is "fifty-five trillion, seventy-two billion, one hundred twenty-one million, fifty-one thousand, one hundred twenty-two".