Search a number
-
+
55325570755240 = 2351638485516987
BaseRepresentation
bin11001001010001011111001…
…11111011110101010101000
321020220001222011002101010001
430211011330333132222220
524222423232103131430
6313400114421032344
714440066135064512
oct1445057477365250
9236801864071101
1055325570755240
11166a04963a1815
1262565718556b4
1324b4243178936
14d93ab41acbb2
1565e2298a53ca
hex32517cfdeaa8

55325570755240 has 32 divisors (see below), whose sum is σ = 125246230742880. Its totient is φ = 21994460027712.

The previous prime is 55325570755183. The next prime is 55325570755289. The reversal of 55325570755240 is 4255707552355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4242751974 + ... + 4242765013.

It is an arithmetic number, because the mean of its divisors is an integer number (3913944710715).

Almost surely, 255325570755240 is an apocalyptic number.

It is an amenable number.

55325570755240 is an abundant number, since it is smaller than the sum of its proper divisors (69920659987640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55325570755240 is a wasteful number, since it uses less digits than its factorization.

55325570755240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485517161 (or 8485517157 counting only the distinct ones).

The product of its (nonzero) digits is 36750000, while the sum is 55.

The spelling of 55325570755240 in words is "fifty-five trillion, three hundred twenty-five billion, five hundred seventy million, seven hundred fifty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 163 326 652 815 1304 1630 3260 6520 8485516987 16971033974 33942067948 42427584935 67884135896 84855169870 169710339740 339420679480 1383139268881 2766278537762 5532557075524 6915696344405 11065114151048 13831392688810 27662785377620 55325570755240