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55281067 = 536117099
BaseRepresentation
bin1101001011100…
…0010110101011
310212000120100221
43102320112223
5103122443232
65252510511
71240611202
oct322702653
9125016327
1055281067
1129228536
121661b437
13b5b70ba
1474b0239
154cbe897
hex34b85ab

55281067 has 8 divisors (see below), whose sum is σ = 57250800. Its totient is φ = 53345760.

The previous prime is 55281049. The next prime is 55281073. The reversal of 55281067 is 76018255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55281067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55281077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5317 + ... + 11782.

It is an arithmetic number, because the mean of its divisors is an integer number (7156350).

Almost surely, 255281067 is an apocalyptic number.

55281067 is a deficient number, since it is larger than the sum of its proper divisors (1969733).

55281067 is a wasteful number, since it uses less digits than its factorization.

55281067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17213.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 55281067 is about 7435.1238725390. The cubic root of 55281067 is about 380.9419544485.

The spelling of 55281067 in words is "fifty-five million, two hundred eighty-one thousand, sixty-seven".

Divisors: 1 53 61 3233 17099 906247 1043039 55281067