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55079765 = 51319103433
BaseRepresentation
bin1101001000011…
…1001101010101
310211122100020022
43102013031111
5103100023030
65244314525
71236112256
oct322071525
9124570208
1055079765
1129100274
1216542a45
13b5465a0
14745ab2d
154c7ede5
hex3487355

55079765 has 32 divisors (see below), whose sum is σ = 75828480. Its totient is φ = 38071296.

The previous prime is 55079753. The next prime is 55079807. The reversal of 55079765 is 56797055.

55079765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55079765 - 24 = 55079749 is a prime.

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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126989 + ... + 127421.

It is an arithmetic number, because the mean of its divisors is an integer number (2369640).

Almost surely, 255079765 is an apocalyptic number.

It is an amenable number.

55079765 is a deficient number, since it is larger than the sum of its proper divisors (20748715).

55079765 is a wasteful number, since it uses less digits than its factorization.

55079765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 330750, while the sum is 44.

The square root of 55079765 is about 7421.5742939083. The cubic root of 55079765 is about 380.4790012143.

The spelling of 55079765 in words is "fifty-five million, seventy-nine thousand, seven hundred sixty-five".

Divisors: 1 5 13 19 65 95 103 247 433 515 1235 1339 1957 2165 5629 6695 8227 9785 25441 28145 41135 44599 106951 127205 222995 534755 579787 847381 2898935 4236905 11015953 55079765