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55854747870 = 2351861824929
BaseRepresentation
bin110100000001001100…
…111101000011011110
312100011121120011211120
4310001030331003132
51403342303412440
641354225031410
74015063344345
oct640114750336
9170147504746
1055854747870
1121762604859
12a9a9785566
135361a0c98c
1429bc12cb5c
1516bd889dd0
hexd0133d0de

55854747870 has 16 divisors (see below), whose sum is σ = 134051394960. Its totient is φ = 14894599424.

The previous prime is 55854747797. The next prime is 55854747889. The reversal of 55854747870 is 7874745855.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930912435 + ... + 930912494.

It is an arithmetic number, because the mean of its divisors is an integer number (8378212185).

Almost surely, 255854747870 is an apocalyptic number.

55854747870 is an abundant number, since it is smaller than the sum of its proper divisors (78196647090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55854747870 is a wasteful number, since it uses less digits than its factorization.

55854747870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861824939.

The product of its (nonzero) digits is 43904000, while the sum is 60.

The spelling of 55854747870 in words is "fifty-five billion, eight hundred fifty-four million, seven hundred forty-seven thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1861824929 3723649858 5585474787 9309124645 11170949574 18618249290 27927373935 55854747870