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53553574117 = 202926394073
BaseRepresentation
bin110001111000000010…
…101011000011100101
312010020020111102220001
4301320002223003211
51334134203332432
640334022541301
73604051604101
oct617002530345
9163206442801
1053553574117
112079166196a
12a466b97831
1350860464c4
142840676901
1515d68359e7
hexc780ab0e5

53553574117 has 4 divisors (see below), whose sum is σ = 53579970220. Its totient is φ = 53527178016.

The previous prime is 53553574093. The next prime is 53553574121. The reversal of 53553574117 is 71147535535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71147535535 = 514229507107.

It can be written as a sum of positive squares in 2 ways, for example, as 25055407521 + 28498166596 = 158289^2 + 168814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53553574117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53553574817) 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, 13195008 + ... + 13199065.

It is an arithmetic number, because the mean of its divisors is an integer number (13394992555).

Almost surely, 253553574117 is an apocalyptic number.

It is an amenable number.

53553574117 is a deficient number, since it is larger than the sum of its proper divisors (26396103).

53553574117 is a wasteful number, since it uses less digits than its factorization.

53553574117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26396102.

The product of its digits is 1102500, while the sum is 46.

The spelling of 53553574117 in words is "fifty-three billion, five hundred fifty-three million, five hundred seventy-four thousand, one hundred seventeen".

Divisors: 1 2029 26394073 53553574117