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53445052400 = 2452612190371
BaseRepresentation
bin110001110001100100…
…101100011111110000
312002221200021222002012
4301301210230133300
51333423413134100
640315144542052
73601263310205
oct616144543760
9162850258065
1053445052400
112073637a9a3
12a436781928
13506970ac7c
1428300a7cac
1515cc04b135
hexc7192c7f0

53445052400 has 60 divisors (see below), whose sum is σ = 130506744504. Its totient is φ = 21027552000.

The previous prime is 53445052399. The next prime is 53445052417. The reversal of 53445052400 is 425054435.

53445052400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1070786 + ... + 1119585.

Almost surely, 253445052400 is an apocalyptic number.

53445052400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53445052400 is an abundant number, since it is smaller than the sum of its proper divisors (77061692104).

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

53445052400 is a wasteful number, since it uses less digits than its factorization.

53445052400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190450 (or 2190439 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 53445052400 in words is "fifty-three billion, four hundred forty-five million, fifty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 61 80 100 122 200 244 305 400 488 610 976 1220 1525 2440 3050 4880 6100 12200 24400 2190371 4380742 8761484 10951855 17522968 21903710 35045936 43807420 54759275 87614840 109518550 133612631 175229680 219037100 267225262 438074200 534450524 668063155 876148400 1068901048 1336126310 2137802096 2672252620 3340315775 5344505240 6680631550 10689010480 13361263100 26722526200 53445052400