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57955591063 = 188930680567
BaseRepresentation
bin110101111110011011…
…000010001110010111
312112121000200001220201
4311332123002032113
51422143112403223
642342513241331
74121123252536
oct657633021627
9175530601821
1057955591063
11226404693a7
12b295263247
135608034566
142b3b15831d
15179301bead
hexd7e6c2397

57955591063 has 4 divisors (see below), whose sum is σ = 57986273520. Its totient is φ = 57924908608.

The previous prime is 57955591037. The next prime is 57955591069. The reversal of 57955591063 is 36019555975.

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

It is a cyclic number.

It is not a de Polignac number, because 57955591063 - 29 = 57955590551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57955590995 and 57955591013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57955591069) 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, 15338395 + ... + 15342172.

It is an arithmetic number, because the mean of its divisors is an integer number (14496568380).

Almost surely, 257955591063 is an apocalyptic number.

57955591063 is a deficient number, since it is larger than the sum of its proper divisors (30682457).

57955591063 is a wasteful number, since it uses less digits than its factorization.

57955591063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30682456.

The product of its (nonzero) digits is 6378750, while the sum is 55.

The spelling of 57955591063 in words is "fifty-seven billion, nine hundred fifty-five million, five hundred ninety-one thousand, sixty-three".

Divisors: 1 1889 30680567 57955591063