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55315647062525 = 526780803408701
BaseRepresentation
bin11001001001111001011010…
…11111100110000111111101
321020212010100112220112220102
430210330231133212013331
524222242421122000100
6313351354001530445
714436265205066003
oct1444745537460775
9236763315815812
1055315647062525
1116697263766583
126254662343a25
1324b3321227b05
14d93412230a73
1565dd4856bcd5
hex324f2d7e61fd

55315647062525 has 24 divisors (see below), whose sum is σ = 69616186508064. Its totient is φ = 43591386168000.

The previous prime is 55315647062503. The next prime is 55315647062551. The reversal of 55315647062525 is 52526074651355.

It is a happy number.

It is not a de Polignac number, because 55315647062525 - 230 = 55314573320701 is a prime.

It is a super-2 number, since 2×553156470625252 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135140675 + ... + 135549375.

It is an arithmetic number, because the mean of its divisors is an integer number (2900674437836).

Almost surely, 255315647062525 is an apocalyptic number.

It is an amenable number.

55315647062525 is a deficient number, since it is larger than the sum of its proper divisors (14300539445539).

55315647062525 is a wasteful number, since it uses less digits than its factorization.

55315647062525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489581 (or 489576 counting only the distinct ones).

The product of its (nonzero) digits is 37800000, while the sum is 56.

The spelling of 55315647062525 in words is "fifty-five trillion, three hundred fifteen billion, six hundred forty-seven million, sixty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 67 335 1675 80803 404015 408701 2020075 2043505 5413801 10217525 27069005 27382967 135345025 136914835 684574175 33024266903 165121334515 825606672575 2212625882501 11063129412505 55315647062525