55702221250201 has 8 divisors (see below), whose sum is σ = 56106416192904. Its totient is φ = 55299253000320.

The previous prime is 55702221250189. The next prime is 55702221250231. The reversal of 55702221250201 is 10205212220755.

It can be written as a sum of positive squares in 4 ways, for example, as 17570348890000 + 38131872360201 = 4191700^2 + 6175101^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55702221250201 - 2¹¹ = 55702221248153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55702221250231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306582060 + ... + 306763693.

It is an arithmetic number, because the mean of its divisors is an integer number (7013302024113).

Almost surely, 2^{55702221250201} is an apocalyptic number.

It is an amenable number.

55702221250201 is a deficient number, since it is larger than the sum of its proper divisors (404194942703).

55702221250201 is a wasteful number, since it uses less digits than its factorization.

55702221250201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613346411.

The product of its (nonzero) digits is 28000, while the sum is 34.

Adding to 55702221250201 its reverse (10205212220755), we get a palindrome (65907433470956).

The spelling of 55702221250201 in words is "fifty-five trillion, seven hundred two billion, two hundred twenty-one million, two hundred fifty thousand, two hundred one".