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52500550257 = 325833394473
BaseRepresentation
bin110000111001010001…
…101101001001110001
312000111212001021201100
4300321101231021301
51330010120102012
640041324555013
73536004212511
oct607121551161
9160455037640
1052500550257
11202a1212511
12a2123b2a69
134c48b3276c
142780885841
15157417d8dc
hexc3946d271

52500550257 has 6 divisors (see below), whose sum is σ = 75834128162. Its totient is φ = 35000366832.

The previous prime is 52500550253. The next prime is 52500550259. The reversal of 52500550257 is 75205500525.

52500550257 is a `hidden beast` number, since 5 + 2 + 50 + 0 + 550 + 2 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51612569856 + 887980401 = 227184^2 + 29799^2 .

It is not a de Polignac number, because 52500550257 - 22 = 52500550253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52500550253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2916697228 + ... + 2916697245.

Almost surely, 252500550257 is an apocalyptic number.

It is an amenable number.

52500550257 is a deficient number, since it is larger than the sum of its proper divisors (23333577905).

52500550257 is a wasteful number, since it uses less digits than its factorization.

52500550257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833394479 (or 5833394476 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 36.

The spelling of 52500550257 in words is "fifty-two billion, five hundred million, five hundred fifty thousand, two hundred fifty-seven".

Divisors: 1 3 9 5833394473 17500183419 52500550257