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52055231441 = 137379965193
BaseRepresentation
bin110000011110101110…
…111100101111010001
311222100211002202010212
4300132232330233101
51323102114401231
635525220133505
73521656111103
oct603656745721
9158324082125
1052055231441
1120092903934
12a109237295
134ba77b46c5
14273b685573
15154a01742b
hexc1ebbcbd1

52055231441 has 4 divisors (see below), whose sum is σ = 52435196772. Its totient is φ = 51675266112.

The previous prime is 52055231407. The next prime is 52055231447. The reversal of 52055231441 is 14413255025.

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 40674822400 + 11380409041 = 201680^2 + 106679^2 .

It is a cyclic number.

It is not a de Polignac number, because 52055231441 - 26 = 52055231377 is a prime.

It is a super-3 number, since 3×520552314413 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52055231398 and 52055231407.

It is not an unprimeable number, because it can be changed into a prime (52055231447) 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, 189982460 + ... + 189982733.

It is an arithmetic number, because the mean of its divisors is an integer number (13108799193).

Almost surely, 252055231441 is an apocalyptic number.

It is an amenable number.

52055231441 is a deficient number, since it is larger than the sum of its proper divisors (379965331).

52055231441 is a wasteful number, since it uses less digits than its factorization.

52055231441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379965330.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 52055231441 its reverse (14413255025), we get a palindrome (66468486466).

The spelling of 52055231441 in words is "fifty-two billion, fifty-five million, two hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 137 379965193 52055231441