55220233311401 has 8 divisors (see below), whose sum is σ = 55362165876864. Its totient is φ = 55078428329440.

The previous prime is 55220233311377. The next prime is 55220233311443. The reversal of 55220233311401 is 10411333202255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55220233311401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55220233311101) 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, 31029101 + ... + 32760426.

It is an arithmetic number, because the mean of its divisors is an integer number (6920270734608).

Almost surely, 2^{55220233311401} is an apocalyptic number.

It is an amenable number.

55220233311401 is a deficient number, since it is larger than the sum of its proper divisors (141932565463).

55220233311401 is a wasteful number, since it uses less digits than its factorization.

55220233311401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63791751.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 55220233311401 its reverse (10411333202255), we get a palindrome (65631566513656).

The spelling of 55220233311401 in words is "fifty-five trillion, two hundred twenty billion, two hundred thirty-three million, three hundred eleven thousand, four hundred one".