Search a number
-
+
54575533557545 = 57111317641423677
BaseRepresentation
bin11000110100010110110110…
…10010101000011100101001
321011020100222202202222002212
430122023123102220130221
524123131143042320140
6312023353132534505
714331644412101240
oct1432133322503451
9234210882688085
1054575533557545
1116431398a03980
12615512b921435
13245b5b2346b10
14d69681653957
1564997ca5b765
hex31a2db4a8729

54575533557545 has 64 divisors (see below), whose sum is σ = 93103929709056. Its totient is φ = 29556802990080.

The previous prime is 54575533557533. The next prime is 54575533557577.

54575533557545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54575533557545 - 24 = 54575533557529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 320626754 + ... + 320796923.

It is an arithmetic number, because the mean of its divisors is an integer number (1454748901704).

Almost surely, 254575533557545 is an apocalyptic number.

54575533557545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54575533557545 is a deficient number, since it is larger than the sum of its proper divisors (38528396151511).

54575533557545 is a wasteful number, since it uses less digits than its factorization.

54575533557545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641423730.

The product of its digits is 2756250000, while the sum is 68.

The spelling of 54575533557545 in words is "fifty-four trillion, five hundred seventy-five billion, five hundred thirty-three million, five hundred fifty-seven thousand, five hundred forty-five".

Divisors: 1 5 7 11 13 17 35 55 65 77 85 91 119 143 187 221 385 455 595 715 935 1001 1105 1309 1547 2431 5005 6545 7735 12155 17017 85085 641423677 3207118385 4489965739 7055660447 8338507801 10904202509 22449828695 35278302235 41692539005 49389623129 54521012545 58369554607 76329417563 91723585811 119946227599 141754632617 246948115645 291847773035 381647087815 458617929055 599731137995 642065100677 708773163085 839623593193 992282428319 1559300958787 3210325503385 4198117965965 4961412141595 7796504793935 10915106711509 54575533557545