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55155441460 = 22571693123269
BaseRepresentation
bin110011010111100001…
…010011111100110100
312021100212200201210011
4303113201103330310
51400424243111320
641201004310004
73661542342220
oct632741237464
9167325621704
1055155441460
1121433899579
12a833542304
13527cb841c2
1429532d5780
15167c2a305a
hexcd7853f34

55155441460 has 48 divisors (see below), whose sum is σ = 132386567040. Its totient is φ = 18908507520.

The previous prime is 55155441421. The next prime is 55155441463. The reversal of 55155441460 is 6414455155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55155441463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2358706 + ... + 2381974.

It is an arithmetic number, because the mean of its divisors is an integer number (2758053480).

Almost surely, 255155441460 is an apocalyptic number.

It is an amenable number.

55155441460 is an abundant number, since it is smaller than the sum of its proper divisors (77231125580).

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

55155441460 is a wasteful number, since it uses less digits than its factorization.

55155441460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40216 (or 40214 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 55155441460 in words is "fifty-five billion, one hundred fifty-five million, four hundred forty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 16931 23269 33862 46538 67724 84655 93076 116345 118517 162883 169310 232690 237034 325766 338620 465380 474068 592585 651532 814415 1185170 1628830 2370340 3257660 393967439 787934878 1575869756 1969837195 2757772073 3939674390 5515544146 7879348780 11031088292 13788860365 27577720730 55155441460