54280122221 has 4 divisors (see below), whose sum is σ = 58455516252. Its totient is φ = 50104728192.

The previous prime is 54280122181. The next prime is 54280122223. The reversal of 54280122221 is 12222108245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35415099721 + 18865022500 = 188189^2 + 137350^2 .

It is a cyclic number.

It is not a de Polignac number, because 54280122221 - 2²⁶ = 54213013357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54280122223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2087696996 + ... + 2087697021.

It is an arithmetic number, because the mean of its divisors is an integer number (14613879063).

Almost surely, 2^54280122221 is an apocalyptic number.

It is an amenable number.

54280122221 is a deficient number, since it is larger than the sum of its proper divisors (4175394031).

54280122221 is a wasteful number, since it uses less digits than its factorization.

54280122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175394030.

The product of its (nonzero) digits is 5120, while the sum is 29.

The spelling of 54280122221 in words is "fifty-four billion, two hundred eighty million, one hundred twenty-two thousand, two hundred twenty-one".