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55351042692193 = 448561123396913
BaseRepresentation
bin11001001010111011010110…
…01111001101010001100001
321020222111201100000211201101
430211131223033031101201
524223332413412122233
6313415530141034401
714441660303012413
oct1445355317152141
9236874640024641
1055351042692193
1116700277667a86
12625b4a0255a01
1324b67723bca91
14d9500d0c49b3
1565ec1abeac7d
hex32576b3cd461

55351042692193 has 4 divisors (see below), whose sum is σ = 55351166537668. Its totient is φ = 55350918846720.

The previous prime is 55351042692161. The next prime is 55351042692199. The reversal of 55351042692193 is 39129624015355.

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 41115641973904 + 14235400718289 = 6412148^2 + 3772983^2 .

It is a cyclic number.

It is not a de Polignac number, because 55351042692193 - 25 = 55351042692161 is a prime.

It is a super-2 number, since 2×553510426921932 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55351042692199) 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, 61249896 + ... + 62147017.

It is an arithmetic number, because the mean of its divisors is an integer number (13837791634417).

Almost surely, 255351042692193 is an apocalyptic number.

It is an amenable number.

55351042692193 is a deficient number, since it is larger than the sum of its proper divisors (123845475).

55351042692193 is a wasteful number, since it uses less digits than its factorization.

55351042692193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123845474.

The product of its (nonzero) digits is 8748000, while the sum is 55.

The spelling of 55351042692193 in words is "fifty-five trillion, three hundred fifty-one billion, forty-two million, six hundred ninety-two thousand, one hundred ninety-three".

Divisors: 1 448561 123396913 55351042692193