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55231882 = 2179154279
BaseRepresentation
bin1101001010110…
…0010110001010
310211221001220021
43102230112022
5103114410012
65251451054
71240314616
oct322542612
9124831807
1055231882
11291a4592
12165b6a8a
13b59a8b4
14749a346
154cb0007
hex34ac58a

55231882 has 8 divisors (see below), whose sum is σ = 83311200. Its totient is φ = 27461484.

The previous prime is 55231877. The next prime is 55231889. The reversal of 55231882 is 28813255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55231889) 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, 76782 + ... + 77497.

It is an arithmetic number, because the mean of its divisors is an integer number (10413900).

Almost surely, 255231882 is an apocalyptic number.

55231882 is a deficient number, since it is larger than the sum of its proper divisors (28079318).

55231882 is a wasteful number, since it uses less digits than its factorization.

55231882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154460.

The product of its digits is 19200, while the sum is 34.

The square root of 55231882 is about 7431.8155251594. The cubic root of 55231882 is about 380.8289429444.

The spelling of 55231882 in words is "fifty-five million, two hundred thirty-one thousand, eight hundred eighty-two".

Divisors: 1 2 179 358 154279 308558 27615941 55231882