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52780052800055 = 572375822399647
BaseRepresentation
bin11000000000000110100000…
…10011000110001000110111
320220212201112121222002220102
430000003100103012020313
523404222022004100210
6304130453241024315
714055142624343300
oct1400032023061067
9226781477862812
1052780052800055
11158a9992918059
125b05164a8509b
13235b1a3484b09
14d067d515d7a7
15617de4b42ea5
hex3000d04c6237

52780052800055 has 24 divisors (see below), whose sum is σ = 75667905825408. Its totient is φ = 35213873059008.

The previous prime is 52780052800037. The next prime is 52780052800091. The reversal of 52780052800055 is 55000825008725.

It is not a de Polignac number, because 52780052800055 - 210 = 52780052799031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52780052799982 and 52780052800009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2911190759 + ... + 2911208888.

It is an arithmetic number, because the mean of its divisors is an integer number (3152829409392).

Almost surely, 252780052800055 is an apocalyptic number.

52780052800055 is a deficient number, since it is larger than the sum of its proper divisors (22887853025353).

52780052800055 is a wasteful number, since it uses less digits than its factorization.

52780052800055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822399703 (or 5822399696 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 47.

The spelling of 52780052800055 in words is "fifty-two trillion, seven hundred eighty billion, fifty-two million, eight hundred thousand, fifty-five".

Divisors: 1 5 7 35 37 49 185 245 259 1295 1813 9065 5822399647 29111998235 40756797529 203783987645 215428786939 285297582703 1077143934695 1426487913515 1508001508573 7540007542865 10556010560011 52780052800055