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54020552211251 = 161333490732927
BaseRepresentation
bin11000100100001101000111…
…10100110011101100110011
321002021022111011110110202022
430102012203310303230303
524040033042331230001
6310520411000342055
714243566433352413
oct1422064364635463
9232238434413668
1054020552211251
1116237a9545720a
12608566577492b
13241b16842c152
14d4a8742d6643
1563a2ea0b411b
hex3121a3d33b33

54020552211251 has 4 divisors (see below), whose sum is σ = 54054042945792. Its totient is φ = 53987061476712.

The previous prime is 54020552211217. The next prime is 54020552211289. The reversal of 54020552211251 is 15211225502045.

54020552211251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 54020552211251 - 222 = 54020548016947 is a prime.

It is a super-3 number, since 3×540205522112513 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54020552231251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16745364851 + ... + 16745368076.

It is an arithmetic number, because the mean of its divisors is an integer number (13513510736448).

Almost surely, 254020552211251 is an apocalyptic number.

54020552211251 is a deficient number, since it is larger than the sum of its proper divisors (33490734541).

54020552211251 is a wasteful number, since it uses less digits than its factorization.

54020552211251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33490734540.

The product of its (nonzero) digits is 40000, while the sum is 35.

Adding to 54020552211251 its reverse (15211225502045), we get a palindrome (69231777713296).

The spelling of 54020552211251 in words is "fifty-four trillion, twenty billion, five hundred fifty-two million, two hundred eleven thousand, two hundred fifty-one".

Divisors: 1 1613 33490732927 54020552211251