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53305500805 = 547292254409
BaseRepresentation
bin110001101001010000…
…010110010010000101
312002120221201000021121
4301221100112102011
51333132202011210
640253241513541
73564650165224
oct615120262205
9162527630247
1053305500805
11206746247a7
12a3b7aa28b1
135046829a6b
14281973ccbb
1515beb826da
hexc69416485

53305500805 has 8 divisors (see below), whose sum is σ = 63980155800. Its totient is φ = 42635364096.

The previous prime is 53305500803. The next prime is 53305500823. The reversal of 53305500805 is 50800550335.

It can be written as a sum of positive squares in 4 ways, for example, as 2641343236 + 50664157569 = 51394^2 + 225087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53305500805 - 21 = 53305500803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53305500803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103560 + ... + 1150849.

It is an arithmetic number, because the mean of its divisors is an integer number (7997519475).

Almost surely, 253305500805 is an apocalyptic number.

It is an amenable number.

53305500805 is a deficient number, since it is larger than the sum of its proper divisors (10674654995).

53305500805 is a wasteful number, since it uses less digits than its factorization.

53305500805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259143.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 53305500805 in words is "fifty-three billion, three hundred five million, five hundred thousand, eight hundred five".

Divisors: 1 5 4729 23645 2254409 11272045 10661100161 53305500805