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55021750895 = 5297342112347
BaseRepresentation
bin110011001111100011…
…010100101001101111
312021000120010112210202
4303033203110221233
51400141032012040
641135431024115
73655330110626
oct631743245157
9167016115722
1055021750895
1121375386901
12a7b680b03b
13525b275967
14293d6546bd
151670696015
hexccf8d4a6f

55021750895 has 32 divisors (see below), whose sum is σ = 69408601920. Its totient is φ = 41814420480.

The previous prime is 55021750873. The next prime is 55021750957. The reversal of 55021750895 is 59805712055.

It is not a de Polignac number, because 55021750895 - 26 = 55021750831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4450112 + ... + 4462458.

It is an arithmetic number, because the mean of its divisors is an integer number (2169018810).

Almost surely, 255021750895 is an apocalyptic number.

55021750895 is a deficient number, since it is larger than the sum of its proper divisors (14386851025).

55021750895 is a wasteful number, since it uses less digits than its factorization.

55021750895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12875.

The product of its (nonzero) digits is 630000, while the sum is 47.

The spelling of 55021750895 in words is "fifty-five billion, twenty-one million, seven hundred fifty thousand, eight hundred ninety-five".

Divisors: 1 5 29 73 145 365 421 2105 2117 10585 12209 12347 30733 61045 61735 153665 358063 891257 901331 1790315 4456285 4506655 5198087 25990435 26138599 130692995 150744523 379460351 753722615 1897301755 11004350179 55021750895