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52254450807551 = 1989281117193911
BaseRepresentation
bin10111110000110011011111…
…11110100111001011111111
320212000110212112002102101022
423320121233332213023333
523322114103401320201
6303045210250134355
714002155001204226
oct1370315776471377
9225013775072338
1052254450807551
1115716a96234773
125a3b319a213bb
13232075c188065
14cc91b3a4bcbd
156093d157941b
hex2f866ffa72ff

52254450807551 has 32 divisors (see below), whose sum is σ = 55868924966400. Its totient is φ = 48731626944000.

The previous prime is 52254450807539. The next prime is 52254450807641. The reversal of 52254450807551 is 15570805445225.

It is a cyclic number.

It is not a de Polignac number, because 52254450807551 - 230 = 52253377065727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52254450807493 and 52254450807502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52254450807751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556378286 + ... + 556472196.

It is an arithmetic number, because the mean of its divisors is an integer number (1745903905200).

Almost surely, 252254450807551 is an apocalyptic number.

52254450807551 is a deficient number, since it is larger than the sum of its proper divisors (3614474158849).

52254450807551 is a wasteful number, since it uses less digits than its factorization.

52254450807551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95471.

The product of its (nonzero) digits is 11200000, while the sum is 53.

The spelling of 52254450807551 in words is "fifty-two trillion, two hundred fifty-four billion, four hundred fifty million, eight hundred seven thousand, five hundred fifty-one".

Divisors: 1 19 89 281 1171 1691 5339 22249 25009 93911 104219 329051 475171 1784309 1980161 6251969 8358079 26388991 29285539 109969781 158803501 501390829 556425241 2089425839 2348620199 9787310509 30901508461 44623783781 185958899671 587128660759 2750234253029 52254450807551