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55068765 = 353799223
BaseRepresentation
bin1101001000010…
…0100001011101
310211121210010220
43102010201131
5103044200030
65244151553
71236035223
oct322044135
9124553126
1055068765
11290a2a84
12165385b9
13b54158b
147456b13
154c7ba10
hex348485d

55068765 has 16 divisors (see below), whose sum is σ = 90492288. Its totient is φ = 28575936.

The previous prime is 55068737. The next prime is 55068779. The reversal of 55068765 is 56786055.

It is not a de Polignac number, because 55068765 - 25 = 55068733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49057 + ... + 50166.

It is an arithmetic number, because the mean of its divisors is an integer number (5655768).

Almost surely, 255068765 is an apocalyptic number.

It is an amenable number.

55068765 is a deficient number, since it is larger than the sum of its proper divisors (35423523).

55068765 is a wasteful number, since it uses less digits than its factorization.

55068765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99268.

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 55068765 is about 7420.8331742467. The cubic root of 55068765 is about 380.4536709945.

The spelling of 55068765 in words is "fifty-five million, sixty-eight thousand, seven hundred sixty-five".

Divisors: 1 3 5 15 37 111 185 555 99223 297669 496115 1488345 3671251 11013753 18356255 55068765