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52805589120 = 273354396961
BaseRepresentation
bin110001001011011101…
…010101100010000000
312001022010000212101000
4301023131111202000
51331121212322440
640131503012000
73546400046604
oct611335254200
9161263025330
1052805589120
1120438418749
12a29859a000
134c970a5c2b
1427ad1ab504
151590d35730
hexc4b755880

52805589120 has 256 divisors, whose sum is σ = 187472736000. Its totient is φ = 14047395840.

The previous prime is 52805589119. The next prime is 52805589157. The reversal of 52805589120 is 2198550825.

It is a happy number.

52805589120 is a `hidden beast` number, since 5 + 2 + 8 + 0 + 558 + 91 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7582440 + ... + 7589400.

It is an arithmetic number, because the mean of its divisors is an integer number (732315375).

Almost surely, 252805589120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52805589120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93736368000).

52805589120 is an abundant number, since it is smaller than the sum of its proper divisors (134667146880).

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

52805589120 is a wasteful number, since it uses less digits than its factorization.

52805589120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428 (or 7410 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The spelling of 52805589120 in words is "fifty-two billion, eight hundred five million, five hundred eighty-nine thousand, one hundred twenty".