54055214313221 has 16 divisors (see below), whose sum is σ = 63010935218880. Its totient is φ = 45826134670080.

The previous prime is 54055214313209. The next prime is 54055214313223. The reversal of 54055214313221 is 12231341255045.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54055214313221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54055214313223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325967311 + ... + 1326008076.

It is an arithmetic number, because the mean of its divisors is an integer number (3938183451180).

Almost surely, 2^{54055214313221} is an apocalyptic number.

It is an amenable number.

54055214313221 is a deficient number, since it is larger than the sum of its proper divisors (8955720905659).

54055214313221 is a wasteful number, since it uses less digits than its factorization.

54055214313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651975524.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 54055214313221 its reverse (12231341255045), we get a palindrome (66286555568266).

The spelling of 54055214313221 in words is "fifty-four trillion, fifty-five billion, two hundred fourteen million, three hundred thirteen thousand, two hundred twenty-one".