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55214257606445 = 572476427746069
BaseRepresentation
bin11001000110111100100100…
…01101100000111100101101
321020111102122112202112020102
430203132102031200330231
524214112244421401240
6313233025122000445
714426045526661100
oct1443362215407455
9236442575675212
1055214257606445
1116658264a93573
126238a871a6125
1324a68b38bbc12
14d8c554844737
1565b3b2371815
hex323792360f2d

55214257606445 has 48 divisors (see below), whose sum is σ = 78726834351360. Its totient is φ = 37049832376704.

The previous prime is 55214257606381. The next prime is 55214257606477. The reversal of 55214257606445 is 54460675241255.

55214257606445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55214257606445 - 26 = 55214257606381 is a prime.

It is a super-2 number, since 2×552142576064452 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 73633871 + ... + 74379939.

It is an arithmetic number, because the mean of its divisors is an integer number (1640142382320).

Almost surely, 255214257606445 is an apocalyptic number.

It is an amenable number.

55214257606445 is a deficient number, since it is larger than the sum of its proper divisors (23512576744915).

55214257606445 is a wasteful number, since it uses less digits than its factorization.

55214257606445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752562 (or 752555 counting only the distinct ones).

The product of its (nonzero) digits is 40320000, while the sum is 56.

The spelling of 55214257606445 in words is "fifty-five trillion, two hundred fourteen billion, two hundred fifty-seven million, six hundred six thousand, four hundred forty-five".

Divisors: 1 5 7 35 47 49 235 245 329 1645 2303 6427 11515 32135 44989 224945 302069 314923 746069 1510345 1574615 2114483 3730345 5222483 10572415 14801381 26112415 35065243 36557381 74006905 175326215 182786905 245456701 1227283505 1718196907 4794985463 8590984535 23974927315 33564898241 167824491205 225364316761 234954287687 1126821583805 1174771438435 1577550217327 7887751086635 11042851521289 55214257606445