Search a number
-
+
55752543 = 3472111277
BaseRepresentation
bin1101010010101…
…1011101011111
310212220112010000
43110223131133
5103233040133
65310545343
71244613600
oct324533537
9125815100
1055752543
112951a790
1216808253
13b720892
147593da7
154d64413
hex352b75f

55752543 has 60 divisors (see below), whose sum is σ = 105772392. Its totient is φ = 28939680.

The previous prime is 55752533. The next prime is 55752551. The reversal of 55752543 is 34525755.

55752543 is a `hidden beast` number, since 557 + 52 + 54 + 3 = 666.

It is not a de Polignac number, because 55752543 - 216 = 55687007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55752498 and 55752507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55752523) 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 59 ways as a sum of consecutive naturals, for example, 43021 + ... + 44297.

Almost surely, 255752543 is an apocalyptic number.

55752543 is a deficient number, since it is larger than the sum of its proper divisors (50019849).

55752543 is a wasteful number, since it uses less digits than its factorization.

55752543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1298 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 55752543 is about 7466.7625514677. The cubic root of 55752543 is about 382.0218708639.

It can be divided in two parts, 5575 and 2543, that added together give a palindrome (8118).

The spelling of 55752543 in words is "fifty-five million, seven hundred fifty-two thousand, five hundred forty-three".

Divisors: 1 3 7 9 11 21 27 33 49 63 77 81 99 147 189 231 297 441 539 567 693 891 1277 1323 1617 2079 3831 3969 4851 6237 8939 11493 14047 14553 26817 34479 42141 43659 62573 80451 98329 103437 126423 187719 241353 294987 379269 563157 688303 724059 884961 1137807 1689471 2064909 2654883 5068413 6194727 7964649 18584181 55752543