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53806369444 = 221159812
BaseRepresentation
bin110010000111000111…
…000000101010100100
312010212212011202212221
4302013013000222210
51340143412310234
640415053122124
73613241410522
oct620707005244
9163785152787
1053806369444
1120901324823
12a517789344
1350c6527339
14286607d312
1515edb1ceb4
hexc871c0aa4

53806369444 has 9 divisors (see below), whose sum is σ = 94161958401. Its totient is φ = 26902952760.

The previous prime is 53806369423. The next prime is 53806369451. The reversal of 53806369444 is 44496360835.

The square root of 53806369444 is 231962.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 23237343844 + 30569025600 = 152438^2 + 174840^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53806369391 and 53806369400.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 405934 + ... + 521914.

Almost surely, 253806369444 is an apocalyptic number.

53806369444 is the 231962-nd square number.

It is an amenable number.

53806369444 is a deficient number, since it is larger than the sum of its proper divisors (40355588957).

53806369444 is an frugal number, since it uses more digits than its factorization.

53806369444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231966 (or 115983 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 53806369444 in words is "fifty-three billion, eight hundred six million, three hundred sixty-nine thousand, four hundred forty-four".

Divisors: 1 2 4 115981 231962 463924 13451592361 26903184722 53806369444