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52505600000 = 213557293
BaseRepresentation
bin110000111001100100…
…111110000000000000
312000112012112211122212
4300321210332000000
51330012413200000
640042025121252
73536065144010
oct607144760000
9160465484585
1052505600000
11202a4051457
12a214029228
134c49bb0089
1427813dbc40
151574829c35
hexc3993e000

52505600000 has 336 divisors, whose sum is σ = 150509179296. Its totient is φ = 17940480000.

The previous prime is 52505599997. The next prime is 52505600039. The reversal of 52505600000 is 650525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179199854 + ... + 179200146.

It is an arithmetic number, because the mean of its divisors is an integer number (447943986).

Almost surely, 252505600000 is an apocalyptic number.

52505600000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52505600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75254589648).

52505600000 is an abundant number, since it is smaller than the sum of its proper divisors (98003579296).

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

52505600000 is an frugal number, since it uses more digits than its factorization.

52505600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The spelling of 52505600000 in words is "fifty-two billion, five hundred five million, six hundred thousand".