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53351907841 = 233539655453
BaseRepresentation
bin110001101100000001…
…011000001000000001
312002201012000201202201
4301230001120020001
51333231042022331
640302020313201
73566052506551
oct615401301001
9162635021681
1053351907841
1120698841021
12a40b542801
13505332794b
14282197d161
1515c3c9ca61
hexc6c058201

53351907841 has 8 divisors (see below), whose sum is σ = 55687371840. Its totient is φ = 51017761872.

The previous prime is 53351907821. The next prime is 53351907853. The reversal of 53351907841 is 14870915335.

It is a happy number.

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

It is a 2-Lehmer number, since φ(53351907841) divides (53351907841-1)2.

It is a cyclic number.

It is not a de Polignac number, because 53351907841 - 211 = 53351905793 is a prime.

It is a pancake number, because a pancake can be divided into 53351907841 parts by 326655 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 53351907791 and 53351907800.

It is not an unprimeable number, because it can be changed into a prime (53351907821) by changing a digit.

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, 246330 + ... + 409123.

It is an arithmetic number, because the mean of its divisors is an integer number (6960921480).

Almost surely, 253351907841 is an apocalyptic number.

It is an amenable number.

53351907841 is a deficient number, since it is larger than the sum of its proper divisors (2335463999).

53351907841 is a wasteful number, since it uses less digits than its factorization.

53351907841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659015.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 53351907841 in words is "fifty-three billion, three hundred fifty-one million, nine hundred seven thousand, eight hundred forty-one".

Divisors: 1 23 3539 81397 655453 15075419 2319648167 53351907841