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52897094280 = 23335315961439
BaseRepresentation
bin110001010000111010…
…011001101010001000
312001112111012210212000
4301100322121222020
51331313124004110
640144532151000
73551560611522
oct612072315210
9161474183760
1052897094280
1120485037948
12a303168460
134cb0033cb4
1427bb3caa12
151598dad1c0
hexc50e99a88

52897094280 has 512 divisors, whose sum is σ = 188559360000. Its totient is φ = 13169433600.

The previous prime is 52897094273. The next prime is 52897094281. The reversal of 52897094280 is 8249079825.

52897094280 is a `hidden beast` number, since 528 + 9 + 7 + 0 + 94 + 28 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (52897094281) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 120494301 + ... + 120494739.

It is an arithmetic number, because the mean of its divisors is an integer number (368280000).

Almost surely, 252897094280 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 52897094280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94279680000).

52897094280 is an abundant number, since it is smaller than the sum of its proper divisors (135662265720).

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

52897094280 is a wasteful number, since it uses less digits than its factorization.

52897094280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 52897094280 in words is "fifty-two billion, eight hundred ninety-seven million, ninety-four thousand, two hundred eighty".