54220205150101 has 4 divisors (see below), whose sum is σ = 54237038498604. Its totient is φ = 54203371801600.

The previous prime is 54220205149997. The next prime is 54220205150123. The reversal of 54220205150101 is 10105150202245.

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 16459167860100 + 37761037290001 = 4056990^2 + 6145001^2 .

It is a cyclic number.

It is not a de Polignac number, because 54220205150101 - 2³³ = 54211615215509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54220205150101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54220205150191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8416669420 + ... + 8416675861.

It is an arithmetic number, because the mean of its divisors is an integer number (13559259624651).

Almost surely, 2^{54220205150101} is an apocalyptic number.

It is an amenable number.

54220205150101 is a deficient number, since it is larger than the sum of its proper divisors (16833348503).

54220205150101 is a wasteful number, since it uses less digits than its factorization.

54220205150101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833348502.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 54220205150101 its reverse (10105150202245), we get a palindrome (64325355352346).

The spelling of 54220205150101 in words is "fifty-four trillion, two hundred twenty billion, two hundred five million, one hundred fifty thousand, one hundred one".