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50907605880553 = 238921309169477
BaseRepresentation
bin10111001001100110110011…
…10000111100111011101001
320200020201102120202010000221
423210303121300330323221
523133032234101134203
6300134344205130041
713502644634211412
oct1344633160747351
9220221376663027
1050907605880553
11152478813a7584
12586229a259921
132253749b8c406
14c7dd26bc4809
155d4354c85abd
hex2e4cd9c3cee9

50907605880553 has 4 divisors (see below), whose sum is σ = 50928915052420. Its totient is φ = 50886296708688.

The previous prime is 50907605880539. The next prime is 50907605880569. The reversal of 50907605880553 is 35508850670905.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24408708227289 + 26498897653264 = 4940517^2 + 5147708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50907605880553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50907605880491 and 50907605880500.

It is not an unprimeable number, because it can be changed into a prime (50907605830553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10654582350 + ... + 10654587127.

It is an arithmetic number, because the mean of its divisors is an integer number (12732228763105).

Almost surely, 250907605880553 is an apocalyptic number.

It is an amenable number.

50907605880553 is a deficient number, since it is larger than the sum of its proper divisors (21309171867).

50907605880553 is a wasteful number, since it uses less digits than its factorization.

50907605880553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21309171866.

The product of its (nonzero) digits is 45360000, while the sum is 61.

The spelling of 50907605880553 in words is "fifty trillion, nine hundred seven billion, six hundred five million, eight hundred eighty thousand, five hundred fifty-three".

Divisors: 1 2389 21309169477 50907605880553