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55889073 = 326209897
BaseRepresentation
bin1101010100110…
…0110010110001
310220011110101200
43111030302301
5103301422243
65313521413
71246022622
oct325146261
9126143350
1055889073
1129603319
1216873269
13b76aa76
1475cba49
154d8ead3
hex354ccb1

55889073 has 6 divisors (see below), whose sum is σ = 80728674. Its totient is φ = 37259376.

The previous prime is 55889069. The next prime is 55889101. The reversal of 55889073 is 37098855.

55889073 is a `hidden beast` number, since 558 + 8 + 90 + 7 + 3 = 666.

55889073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54420129 + 1468944 = 7377^2 + 1212^2 .

It is not a de Polignac number, because 55889073 - 22 = 55889069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55889023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3104940 + ... + 3104957.

It is an arithmetic number, because the mean of its divisors is an integer number (13454779).

Almost surely, 255889073 is an apocalyptic number.

It is an amenable number.

55889073 is a deficient number, since it is larger than the sum of its proper divisors (24839601).

55889073 is a wasteful number, since it uses less digits than its factorization.

55889073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209903 (or 6209900 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 55889073 is about 7475.8994776548. The cubic root of 55889073 is about 382.3334556256. Note that the first 3 decimals are identical.

The spelling of 55889073 in words is "fifty-five million, eight hundred eighty-nine thousand, seventy-three".

Divisors: 1 3 9 6209897 18629691 55889073