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55083771 = 3211354163
BaseRepresentation
bin1101001000100…
…0001011111011
310211122112201200
43102020023323
5103100140041
65244345243
71236130041
oct322101373
9124575650
1055083771
1129103286
1216545223
13b548362
14745c391
154c811b6
hex34882fb

55083771 has 12 divisors (see below), whose sum is σ = 80271048. Its totient is φ = 36396864.

The previous prime is 55083751. The next prime is 55083773. The reversal of 55083771 is 17738055.

55083771 is a `hidden beast` number, since 550 + 8 + 37 + 71 = 666.

55083771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55083771 - 210 = 55082747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55083773) 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 11 ways as a sum of consecutive naturals, for example, 26065 + ... + 28098.

It is an arithmetic number, because the mean of its divisors is an integer number (6689254).

Almost surely, 255083771 is an apocalyptic number.

55083771 is a deficient number, since it is larger than the sum of its proper divisors (25187277).

55083771 is a wasteful number, since it uses less digits than its factorization.

55083771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54282 (or 54279 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 55083771 is about 7421.8441778307. The cubic root of 55083771 is about 380.4882251820.

The spelling of 55083771 in words is "fifty-five million, eighty-three thousand, seven hundred seventy-one".

Divisors: 1 3 9 113 339 1017 54163 162489 487467 6120419 18361257 55083771