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50553445 = 561165749
BaseRepresentation
bin1100000011011…
…0001001100101
310112010101021211
43000312021211
5100420202240
65003311421
71152461065
oct300661145
9115111254
1050553445
1126599608
1214b1b571
13a6202a7
1469dd3a5
154688bea
hex3036265

50553445 has 8 divisors (see below), whose sum is σ = 61659000. Its totient is φ = 39779520.

The previous prime is 50553421. The next prime is 50553457. The reversal of 50553445 is 54435505.

It can be written as a sum of positive squares in 4 ways, for example, as 7230721 + 43322724 = 2689^2 + 6582^2 .

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

It is not a de Polignac number, because 50553445 - 27 = 50553317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82570 + ... + 83179.

It is an arithmetic number, because the mean of its divisors is an integer number (7707375).

Almost surely, 250553445 is an apocalyptic number.

It is an amenable number.

50553445 is a deficient number, since it is larger than the sum of its proper divisors (11105555).

50553445 is a wasteful number, since it uses less digits than its factorization.

50553445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165815.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 50553445 is about 7110.0945844623. The cubic root of 50553445 is about 369.7574378034.

The spelling of 50553445 in words is "fifty million, five hundred fifty-three thousand, four hundred forty-five".

Divisors: 1 5 61 305 165749 828745 10110689 50553445